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Index Results
(154 Results)

AP1929 - $3.65
It is a miniature artificial tree that grows. Ornamental buds appear in 15 minutes and magically grow into an extraordinarily beautiful and delicate tree. Tree size is 2¼" tall. Wonderful crystal-growing lab.
AP2083 - $19.50
When you shake this flask of solution, the color of the solution will turn from a soft yellow to a bright red to a light, grassy green and then shift back to yellow again. Your students will love this reaction because they can help shake the flask...
AP2084 - $26.40
Learn how a catalyst works by observing the color changes of pink cobalt ions. You'll see the catalyst as it gets swept up in the oxidation of tartrate by hydrogen peroxide, changes into a green intermediate, and then reappears again at the end. A...
AP2085 - $25.41
This will be your students' favorite chemical reaction! Mix a combination of chemicals together with dishwashing liquid in a tall borosilicate cylinder and stand back. Watch as a large amount of soapy foam erupts from the cylinder. The catalyzed decomposition...
AP2086 - $35.30
A clock reaction is conducted using cinnamaldehyde, the organic molecule extracted from cinnamon sticks. Color changes are fascinating. Rates of reaction can also be discussed. Entire demonstration smells of cinnamon. Teacher Demonstration Notes included....
AP2087 - $18.15
This is one of the safer fire, brimstone and smoke reactions. When you add a small amount of glycerin to potassium permanganate, your students will witness the oxidation of glycerin by a permanganate. The reaction is very dramatic with lots of smoke...
AP2089 - $29.60
Oscillating clock reactions are captivating due to their colorful and unpredictable changes. This variation of a classic oscillating reaction is easily performed on an overhead projector. Simply place a Petri dish on the overhead, add three solutions...
AP2091 - $34.25
Take a test tube which “appears” to be absolutely clear, add a few drops of different chemical solutions, swirl the test tube around and place it in hot water. Before your students' very eyes, they will see a beautiful film of copper develop and deposit...
AP2092 - $32.51
When sodium iodide is dropped into a flask containing 30% hydrogen peroxide, a “magical” genie appears in the form of water vapor and oxygen. Teacher Demonstration Notes included. Enough materials are provided to perform the demonstration seven times.   Concepts:...
AP2102 - $121.51
Demonstrate that “black magic” has a scientific basis with the seven demonstrations included in this kit. • “Ghosts and goblins” will appear out of a 2-liter pop bottle as the pop bottle collapses to prove their escape. • An “amorphous monster” will...
AP4422 - $37.50
Be a chemical gourmet—whip up a carbon soufflé! Your students will be amazed as they watch a yellow solid-liquid mixture turn brown, then black, expand out the top of the beaker—and solidify. The beaker becomes extremely hot and the odor of burnt sugar...
AP4423 - $36.10
Amaze your students! Pretend you have magical powers that can cause the color of a solution to alter between orange and colorless. Simply add three white solids to a colorless solution and presto—the solution turns orange, then colorless, and then...
AP4424 - $40.80
In a matter of seconds, columns of various colors sprout up from the bottom of a beaker containing a clear liquid. The crystals form like stalagmites in a cave and will continue to grow for several days. This beautiful crystal garden is fascinating...
AP4425 - $41.30
Before your very own eyes, you can actually see the formation of shiny tin crystals. The tin is produced by the addition of zinc to a tin(II) chloride solution. Bubbles of hydrogen produced in the reaction float the aggregate tin to the surface like...
AP4426 - $56.90
Polymers are an important part of our everyday life. Introduce your students to the fascinating world of polymer chemistry by making “slime,” polyurethane foam and nylon, and by demonstrating the super water-absorbent material found in disposable diapers....
AP4505 - $65.30
An ingenious idea to introduce and demonstrate phase diagrams and triple point using dry ice. At atmospheric pressure carbon dioxide exists only as a solid or gas. However, in a closed system, liquid carbon dioxide will exist when the pressure exceeds...
AP4556 - $13.70
When a small amount of a white powder is sprinkled into a liquid and water is added, it transforms into a thick, viscous gel. When poured back and forth between two beakers, the gel begins to take on a life of its own and literally defies gravity by...
AP4576 - $28.85
Ready, Set, Glow! Clarify the difference between the intensity, or brightness, of light and the energy of light. In this teacher-developed kit, light is shined through a rainbow of filters onto a piece of phosphorescent material. The filters absorb...
AP4601 - $46.40
Mix two colorless solutions and watch as, after a few seconds, they suddenly change from colorless to dark blue. What an attention-getter! This kit allows you to quantitatively demonstrate the popular iodine-starch clock reaction. In each demonstration,...
AP4778 - $57.65
Change a beaker of “orange juice” into a big, foamy, messy strawberry float! Simply mix some chemicals together in a beaker, add an acid-base indicator and a colorless solution, and stand back. A huge mountain of foam will erupt out of the beaker....
AP4833 - $58.10
Students won't believe their eyes as they watch this amazing oscillating reaction! Simply measure out and pour together four solutions, wait about 10 seconds, and observe the solution flash to green and then to blue and to purple and to red. And if...
AP4848 - $22.30
Light up your classroom with fluorescent solutions! Under normal white light in the laboratory, these solutions appear colorless, yellow, orange, and pink. But, when the lights are turned off and a black light is shined on them, they glow—and with...
AP4866 - $65.01
Teach kinetics in a fun and sudsy way! This three-part demonstration provides an interesting twist on the traditional “Old Foamey” demonstration. Show your students the effect of concentration on reaction rate, observe a reaction intermediate and test...
AP4867 - $25.00
Pour water into an “empty” glass and watch as it turns into purple grape juice. Continue pouring from glass to glass and you'll serve up some lemonade, a fizzy soda, then milk, and finally Pepto-Bismol®. Is it magic—or simply chemistry? This fascinating...
AP5927 - $39.75
Help your students visualize the length of a single molecule. First, the surface of water is dusted with lycopodium powder, then a drop of oleic acid solution is placed directly in the center. The oleic acid will spread out in a circle, displacing...
AP5929 - $19.40
Watch your valentine vanish and then reappear with this favorite holiday demonstration! Simply shake a flask containing a colorless solution to introduce oxygen. The solution will change to a bright pink valentine color. Then allow the solution to...
AP5931 - $18.55
Our amazing super-duper polymer gel in a conveniently packaged kit that has everything you need to perform this gravity-defying demo—and the kit has an added twist! A fluorescent dye is included—simply add it to the alcohol poly-ox slurry, add tap...
AP5932 - $25.50
Pour a rainbow of colors from beaker to beaker while students spontaneously erupt in a chorus of ooohs and aaahs! This multi-colored, gravity-defying, attention-getting goo will help teach your students about polymerization, hydrogen bonding, solubility,...
AP5934 - $20.75
Mix a suspension of milk of magnesia (MOM) with universal indicator, add simulated stomach acid, and observe the dramatic rainbow of colors as the antacid dissolves in the acid! And...it's not over yet! Simply add more acid and watch as the colors...
AP5936 - $42.40
Watch metallic copper appear instantaneously as aluminum foil is added to aqueous cupric chloride. Try adding aluminum foil to aqueous cupric sulfate—no copper forms and aluminum survives! Add a catalyst—copper appears and aluminum is foiled again!...
AP5938 - $20.45
Challenge students to explain the phenomenon observed in this amazingly simple but intriguing demonstration. Pour some violet colored solution into three different test tubes. Place one tube in cold water—the solution turns pink, from the bottom up....
AP5943 - $35.35
Wow your students with a whoosh! Students just love to see the blue alcohol flame shoot out of the mouth of the bottle and watch yellow dancing flames pulsate in the jug as more air is drawn in. Use this exciting demonstration to teach combustion reactions,...
AP5946 - $23.35
Easily distinguish solutions of iron(II) and iron(III) ions by performing redox reactions between iron's two oxidation states. Answer the question of why iron(III) is the more stable of the two states. Simply add various complex ions to solutions of...
AP6007 - $20.25
Make an awesome spectrum of colors in a wand while teaching your students about polymers, color mixing, and the visible spectrum. Explore the science of color using dyes and water-absorbing, color-changing polymer crystals. First create an original...
AP6018 - $68.65
Display these five eye-catching fluorescent liquids in your classroom! Permanently mounted in a sturdy wooden stand, the sealed vials contain solutions that appear different colors under normal classroom white lights. Turn off the lights, shine a black...
AP6154 - $16.60
Are volatile, flammable liquid vapors heavier than air? Safely demonstrate to students that using flammable liquids indoors can create a fire hazard—even if you are quite far from an open flame. In this impressive eye-catching demonstration, hexane...
AP6157 - $48.85
Grow your own spectacular display of long-lasting crystals in gels—using large sized demonstration bottles! Mix two solutions together to form a gel overnight. Add another solution to the hardened gel and watch amazing crystals begin to form before...
AP6158 - $14.25
Vividly demonstrate to your students the thermal energy content and potential skin burning hazards associated with steam. Steam is channeled through a copper coil heated by a Meker burner flame which raises the temperature of the steam well above 100...
AP6160 - $24.10
Can Red + Red = Blue? Dip a red sponge into a red solution—watch it turn blue. Place the blue sponge into a blue solution—it turns back to red. How can that happen? Amaze your students as you introduce acid–base indicators with this “discrepant event”...
AP6163 - $4.05
Create a concrete analogy of an electron orbital using this low-cost spinning demonstration! Students often experience difficulty in grasping abstract concepts such as the composition of an atom. The butterfly orbital demonstration provides students...
AP6186 - $13.25
Here comes Santa Claus, here comes Santa Claus...right into your classroom in a snowstorm! Capture the attention of your entire classroom with this fun holiday seasonal demonstration. Explore the topics of solubility and saturation with this easy-to-prepare...
AP6187 - $26.60
Acids are acidic, bases are basic, and salts are neutral—right? Not exactly! Teach your students that certain salts dissolve in water to produce acid solutions and others produce basic solutions. Using universal indicator in Petri dishes displayed...
AP6201 - $23.50
Watch as thick white vapor clouds pour up and out of the bubbling cauldrons on your demonstration table! This eye-catching dry ice demo is sure to get a “cool” reaction from your students! It makes a great demo to try at Halloween or any time you want...
AP6256 - $29.15
This loud and fiery variation of the classic thermit reaction is sure to grab your students' attention. Take two rusty iron balls, wrap one in aluminum foil, bang them together and watch the fireworks!    Enjoy all the pyrotechnics of the...
AP6264 - $33.30
Set a beaker in another, pour in pale yellow oil and the beaker disappears! In this entertaining demonstration of refractive index, show your students that there's more to light travel than “meets the eye.” By matching the index of refraction of glass...
AP6265 - $26.60
Safely demonstrate combustion by performing the “ping pong popper” micro-scaled explosion! Students will love the loud “pop” as a spark ignites alcohol in a popper and a ping pong ball launches 20 feet across the room. Use this eye-catching demonstration...
AP6280 - $38.90
The visible spectrum has been displayed many ways, but never quite as spectacularly as this! Take seven different dry chemical mixtures and add each to a separate beaker. Pour a clear liquid into each beaker. In less than a minute, the large pH change...
AP6281 - $132.70
Make the holiday season joyous with seven chemistry demonstrations guaranteed to amuse and enlighten the entire class. • Mix two clear liquids and produce a “snowfall” of white flaky precipitate. • Make two solutions of holiday green and red and watch...
AP6287 - $46.55
Not all acids are created equal! Compare the “frothing and foaming” reaction of two different acids with calcium carbonate using our exclusive “rainbow acid” universal indicator. The indicator produces a rainbow spectrum of color changes in the pH...
AP6288 - $38.45
Buffers provide an essential acid-base balancing act in living cells, lakes, and in many consumer products. What are buffers made of and how do they work? First, prepare an ideal pH 7 phosphate buffer - the same buffer that protects enzymes and proteins...
AP6291 - $23.55
The perfect introductory activity to teach elements, compounds, and mixtures! What does an element look like? How is an element different from a compound? Bulk samples of an element, a compound, and a mixture may look similar. When we ask students...
AP6296 - $21.45
Watch as a colorless solution poured from a seemingly normal pitcher suddenly turns color! Here's how it works. A chemical is placed in a small fixed container located at the bottom of a pitcher. Another chemical is placed into the body of the pitcher....
AP6298 - $19.20
Perform this safe demonstration to show how naturally occurring elements can neutralize acid rain. Students will learn how the chemical makeup of soil can act as a buffer and alter the pH of rainwater. The acid neutralizing ability of two different...
AP6299 - $30.70
Make Avogadro proud by using his law to determine the molar mass of any gas, from helium to sulfur hexaflouride. The gas syringe and sampling apparatus allows you to sample and weigh any pure gas in less than one minute. The molar mass of the gas can...
AP6303 - $15.45
Pour distilled water into an “empty” cup and the water solidifies into a gel. In another beaker add a small amount of powder, pour in distilled water and see an avalanche of fresh powdered “snow.” These remarkable sodium polyacrylate polymers have...
AP6307 - $33.25
A new twist on crystal growing! In this activity, students cut out and assemble miniature paper trees. The trees are placed in a solution of Prussian blue, sodium chloride, and ammonia. Overnight the trees become “snow-covered” in a thick, delicate...
AP6308 - $84.90
A new twist on crystal growing! In this activity, students cut out and assemble miniature paper trees. The trees are placed in a solution of Prussian blue, sodium chloride, and ammonia. Overnight the trees become “snow-covered” in a thick, delicate...
AP6309 - $50.60
A great demonstration to introduce the difference between diamagnetic, paramagnetic and ferromagnetic substances. In this unique demonstration setup, four different metal salts are placed in chambers and suspended from dowel rods. A strong magnet is...
AP6310 - $70.65
Up, Up, and Away—Fill the sky with colorful hot air balloons! Each student group will construct and launch their own giant hot air balloon. Students will learn how hot air balloons lift from the ground, stay afloat and eventually descend. A unique...
AP6353 - $49.95
Are there any patterns or periodic trends in the solubility of alkaline earth metal compounds? Don't give students the answer to this question-let them discover it with this demonstration! Recreate the solubility pattern of the alkaline earth metal...
AP6377 - $16.70
Do it again! This is what your students will say once they have seen the key concepts of a double replacement reaction. Water soluble paper "bonds" hold the starting molecules together. When the molecules are placed in water, the bonds break...
AP6384 - $23.25
Perform some of your Halloween magic with this fun demonstration. A slight variation of the classic “Blue Bottle Experiment” allows a pumpkin face to disappear and then reappear over and over again. Shake the flask and the pumpkin face disappears as...
AP6433 - $30.55
Add a clear liquid to a red solution and watch as the colors of the rainbow appear in sequence. But wait, there's more! After a few seconds, the colors of the solution mysteriously reverse directions-switching from violet to blue, green, yellow, orange...
AP6443 - $48.00
Teach students about chemical formulas, balanced chemical equations, and mole ratios with this unique “continuous variation” demonstration. Mix two solutions in various proportions and measure the volume of precipitate that forms in each mixture. Why...
AP6444 - $30.30
If a little is good, more is better, right? Not necessarily! In a chemical reaction, the amount of product that can be obtained depends on the mole ratio of reactants. If the moles of one reactant are limited, it does not matter how much of a second...
AP6466 - $41.40
Help your students visualize molecular motion concepts with this dramatic demonstration device. Just pour the simulated molecules (BBs) into the clear acrylic chamber and focus it on your classroom overhead projector. By varying the number of molecules...
AP6467 - $22.80
Demonstrate simple electrolysis in a very colorful and dramatic way on your overhead projector. A 9-V battery supplies the power and universal indicator provides the color show. As electrolysis occurs in the Petri dish, the pH changes at the anode...
AP6468 - $45.00
Liven up your lesson plan on thermodynamics with this entertaining display of culinary wizardry. In an aluminum pan, add water to the “specially formulated” Flinn calcium oxide, and stir. Crack open an egg and pour it in the second pan. Place it over...
AP6566 - $85.90
The ultimate in discrepant events. Show students that you can boil water by cooling it! Fill the specially designed flask one-third full with water. Bring the water to a boil and then remove the flask from the heat. Place a rubber stopper fitted with...
AP6602 - $20.60
Challenge students to deduce the chemical reaction that leads to dramatic color changes when a sample of copper carbonate is heated. Copper carbonate is added to a flask and a wine airlock containing bromthymol blue solution is placed on top of the...
AP6603 - $118.85
It's spring break. Time to cast off the winter doldrums and embrace the bright new season! Celebrate the arrival of spring with six fun demonstrations: • An oscillating chemical reaction alternates between frigid blue and sunny yellow, just like the...
AP6604 - $72.15
Recognizing chemical reactions and “translating” them into chemical equations are essential skills students need in order to be successful in chemistry. Review the different types of chemical reactions and help your students succeed using this colorful...
AP6605 - $141.25
Students love spectacular chemical reactions, but do they always know what they are seeing? Use these ten targeted demonstrations to help students become proficient in identifying the five different types of chemical reactions.   Single Replacement...
AP6615 - $28.55
First-order kinetics come alive as this hydrolysis reaction undergoes repeated color changes of yellow and blue. Bromthymol blue indicator, tert-butyl chloride, water, and a known amount of sodium hydroxide are added together forming a blue solution....
AP6622 - $76.25
Assemble an inexpensive operating gas chromatograph in less than one hour! Simply fill the glass column with our special packing material and connect the column to a laboratory gas jet. When a chlorinated hydrocarbon vapor is injected into the column,...
AP6627 - $47.85
The discovery of the photoelectric effect opened the door to understanding electron structure. Explaining how it proves the “quantum” energy of light has never been easy, however-until now! Demonstrate the photoelectric effect using a zinc plate attached...
AP6630 - $43.50
Molecules are moving! What proof is there for this incredible statement, and what factors influence the kinetic energy of moving molecules? Demonstrate the motion of invisible ammonia and hydrochloric acid gas molecules by their colorful reactions...
AP6635 - $37.85
When it comes to mixtures, size matters! The size of the particles will determine whether a mixture is a solution, colloid, or a suspension. Through a series of four demonstrations, students will see and learn how to easily identify a mixture as one...
AP6644 - $34.50
It's bubbly, it's colorful—it's equilibrium in a syringe! Use ordinary seltzer water, an acid–base indicator and a large syringe to transform a common gas solubility phenomenon into an exciting, hands-on demonstration. An acid–base solution is added...
AP6647 - $19.50
Wow! A gravity-defying demonstration that will stop students in their tracks! A beaker is filled with a 50-foot long string of beads. With just a slight pull on one end of the chain, the beads will suddenly lift themselves out of and come tumbling...
AP6648 - $9.30
Quickly and easily demonstrate the remarkable properties of surface tension, air pressure, and cohesion using a simple jar. Place a laminated card over the screen-covered mouth of a jar. Flip the jar over and observe as the card stays in place. Remove...
AP6649 - $17.20
A free-flowing U-shaped tube contains what appears to be a homogenous blue liquid, yet the liquid levels in the sides of the tube are unequal. No tricks involved—just density! This simple demonstration is guaranteed to heighten student interest on...
AP6650 - $26.60
Spring has arrived—time for April showers to bring May flowers. Welcome spring into your classroom with this two-part acid-base and chemical equilibrium demonstration. In part one, one set of paper flowers are soaked in colorless indicator solutions....
AP6651 - $12.45
A precipitate forms as a solution is heated, and dissolves again as it cools–opposite of what is typically observed in precipitation reactions. This "discrepant demonstration" is great for introducing the idea that there are exceptions to...
AP6684 - $36.25
Students will be mesmerized by watching the layers in these bottles move and separate as they are turned upside-down, swirled, and shaken. Begin your discussion on density by displaying one bottle in front of the class. Later in the week, switch the...
AP6692 - $22.15
Demonstrate the properties of proteins and the effect of pH on protein solubility with this colorful and reversible activity. Proteins contain many acidic and basic groups that have different structures at different pH values. When acids and bases...
AP6858 - $23.55
Two solutions of holiday red and green are poured into separate tall form beakers and stirred. After 30 seconds, the beakers magically swap colors, red to green and green to red! Each solution contains a unique mixture of indicators. At low pH, one...
AP6867 - $31.65
Grow a beautiful “tin-man” crystal tree using this electrifying demonstration! This quick and simple demonstration will teach oxidation-reduction principles and show students the components of a simple electrolytic cell. Students will enjoy watching...
AP6874 - $30.80
Oh, no! Labels have been removed from the kitchen containers at a luncheonette. There are four white solids—they all look alike, but are they the same? Students must use the scientific method and their knowledge of physical and chemical properties...
AP6883 - $92.35
What exactly is a nuclear reaction? How is it possible for so much energy to be released so quickly? Demonstrate the properties of a nuclear chain reaction with this creative domino-toppling activity. The demonstration starts with two sets of 112 dominoes...
AP6887 - $20.05
Have you ever had melted wax drip on you? It's hot! When melted wax solidifies, enough heat may be released to cause severe skin burns. Find out how much heat is released when melted wax solidifies with this three-part demonstration. • Measure the...
AP6888 - $39.05
Phase changes such as melting and evaporation can be very “moving” events when molecules are the size of balls! A tub-full of jumbo rubber balls is a perfect demonstration device for comparing the energy and motion of molecules in the solid, liquid,...
AP6893 - $44.30
Reward student achievement or creativity with the “silver mirror award,” a beautiful silver-mirrored flask that you create in the lab. Simply combine four solutions in the Florence flask provided with the kit, swirl, and voilá—a thin, reflective silver...
AP6928 - $51.00
Molecules can't be seen, but we can see the forces between molecules. Use this set of four demonstrations to show students what happens when molecules attract each other—or don't! • Floating Oil Droplet The difference in densities of water and ethyl...
AP7043 - $53.30
In this set of three demonstrations, students will observe a series of dramatic changes when common ions are added to solutions at equilibrium. The results illustrate the nature of equilibrium and LeCh,telier's principle. • Adding strong and weak acid...
AP7046 - $34.00
Is it possible to pour a gas? Set up the specially designed ramp with equally spaced candles. Add a clear liquid to the beaker, hold the beaker at the top of the ramp, and pour the invisible contents. One by one the candles are snuffed out! The beaker...
AP7087 - $29.90
Sodium alginate is a natural “gummy-worm” polymer obtained from giant kelp and seaweed. The polymer is extremely hydrophilic or “water-loving” and dissolves in water to form a thick, viscous, smooth gel—perfect for use as a thickening agent in ice...
AP7089 - $28.95
Create a beautiful, red, white and blue density column to demonstrate the salting-out effect, relative density, and the miscibility of organic solvents with water. The density column contains three liquid layers consisting of toluene, methyl alcohol,...
AP7104 - $14.50
Kinetics concepts are by nature abstract. How do you explain to students that the transition state lies at the “top of a potential energy barrier” and is “inherently unstable?” Demonstrate the properties of the transition state or activated complex...
AP7117 - $36.60
Discover the beautiful properties of ruby-red colloidal gold in this introduction to nanotechnology demonstration. Reacting a very dilute solution of gold chloride in water with sodium citrate, a mild reducing agent, produces elemental gold. The gold...
AP7118 - $46.45
A magnetic liquid, also known as a ferrofluid, may seem like a space-age concept. That's because it is! Now you can prepare a ferrofluid and demonstrate the concept that was invented by NASA in the 1960s to control liquids in space. The procedure is...
AP7124 - $24.65
Avogadro's mole number, 6.02 x 1023, is huge! Help clarify the concept of the mole by showing your students 6.02 x 1023 atoms of four different elements. Students will quickly grasp the ideas of mass, moles and molar mass when they compare these four...
AP8460 - $36.35
A colorless solution is poured from a large beaker into four smaller beakers producing solutions of "strawberry soda," "blueberry soda," "red wine," and "water." Mixing the resulting solutions from the first...
AP8461 - $32.75
Mix water from a large beaker back and forth into five other beakers. Your students will observe a variety of color changes. Solutions looking like red wine, lemonade, grape juice and others are produced with the final solution being a distinct yellow....
AP8462 - $25.75
A colorless solution is placed in a Petri dish on an overhead projector. The solution will become dark orange then colorless again by the addition of certain solutions and solids. A dynamic demonstration to illustrate LeCh,telier's principle of equilibrium....
AP8463 - $23.15
Place three clear and colorless solutions all in a row, play some patriotic march music in the background, and add a single yellow solution to each beaker. Cheers, cheers for the red, white, and blue—the colors of Old Glory emerge in time to the music!...
AP8471 - $30.05
Demonstrate the power of balance in a reversible chemical reaction with this updated version of a classic demonstration! A solution of cobalt chloride turns from pink to blue and back again in a series of transformations as the concentrations of reactants...
AP8472 - $45.55
Because of its beautiful multicolored compounds, vanadium, atomic number 23, was named after the Scandinavian Goddess of Beauty, Vanadis. In this demonstration, a yellow vanadate solution goes through a series of color changes when shaken together...
AP8626 - $116.85
Illuminate your demonstrations using the Flinn Light Box. Your students will be better able to view your demonstrations. The Flinn Light Box is constructed of ¾" plywood. The rugged construction allows for both vertical and horizontal viewing....
AP8627 - $28.25
Wow your students as you demonstrate a basic chemiluminescence experiment. You will prepare two solutions and pour them simultaneously into a flask. Voila! A beautiful blue glow! An instruction sheet with a short history of chemiluminescence is provided....
AP8653 - $27.30
No one is exempt from an occasional “bout with the blues.” The blues come and go as in this demo. Two colorless solutions and an indicator are mixed, producing a blue solution. Upon standing, the solution becomes colorless. The solution alternates...
AP8657 - $27.45
In a flash, like magic, a colorless solution turns a dramatic dark blue color. You and your students will be amazed by this popular starch-iodine clock reaction. Teacher Demonstration Notes included. Enough materials are provided to perform the demonstration...
AP8658 - $25.50
Oscillating reactions typically involve eye-catching color changes but here's a unique one where the oscillations are between the generation and cessation of gas bubbles. A colorless solution will effervesce intensely and then the bubbling will decrease...
AP8659 - $18.95
Produce a rainbow of colors by demonstrating how hydrogen peroxide can both oxidize and reduce. Hydrogen peroxide (which is a colorless solution) will cause another colorless solution to turn yellow then red-orange. It also has the ability to make...
AP8660 - $26.80
Your students will think you are the king or queen of chemistry when you do this amazing demonstration. Three colorless solutions are mixed to produce a yellow solution and then suddenly the solution turns blue, then yellow again, etc. The solution...
AP8684 - $32.60
Astonishing, fascinating, amazing, and incredible are just a few words to describe this easy-to-do demonstration. A warm, clear, blue solution starts to bubble, the temperature rises, the bubbling becomes vigorous and suddenly the solution becomes...
AP8715 - $24.70
Amazing! Beautiful popcorn-like crystals actually growing out of a rock. How is this possible? In this demonstration, the teacher performs tests on a limestone rock to determine some of its chemical and physical properties. The rock is then placed...
AP8728 - $23.75
Every day can be the 4th of July with this exciting demonstration. Colliding bubbles of gas produce underwater explosions. This demonstration shows how chlorine and acetylene gas can spontaneously react at room temperature. Safely conducted under water,...
AP8729 - $39.80
Have you ever heard of or read about a dust explosion in your area? They are rather common in grain elevators, coal mines, and sawmills. A spark, even due to friction, can set off burnable dust in air to produce a large explosion. This demonstration...
AP8781 - $54.80
A radially polarized filter is placed on an overhead projector stage and a regular (parallel) polarized filter is positioned above it. As expected, the image produced shows four quadrants, alternating light-dark-light-dark. As an optically active solution...
AP8845 - $25.05
“Elegant” best describes this wonderful demonstration. A large beaker containing a purple solution is placed on an overhead projector. Aluminum foil is placed under the beaker so only half the beaker will be exposed to direct light. Switch the overhead...
AP8894 - $22.05
It's magic! It's mystery! No—it's science! Teachers and students write secret messages with disappearing ink and then use chemistry to develop and transmit the messages. Students learn about the properties of a characteristic acid-base indicator and...
AP8895 - $25.50
Demonstrate to your students what the alchemists only dreamed about. Turn an ordinary copper penny into silver and then into gold. Students will watch as you place pennies into a chemical solution which turns the pennies silver. Then, over heat, the...
AP8896 - $25.55
Many reactions produce heat. In fact, when students think of chemical reactions, heat production is often expected. However, endothermic reactions, reactions which consume heat, can be just as exciting. One of the most striking examples of this is...
AP8902 - $44.00
Two clear solutions are combined to form a homogeneous mixture. As a solid chemical is added, the two seemingly inseparable solutions begin to "sort" into two layers. As more solid is added, the two layers become more distinct. Teacher Demonstration...
AP8916 - $31.75
No chemistry class is complete without the spectacular demonstration of alkali metals reacting with water. Safe Swimming with Sodium is a novel variation which is much safer to perform than the standard sodium demonstration of simply dropping a small...
AP8926 - $41.21
An exciting two color demonstration of chemiluminescence. A mixture of solutions is prepared, the lights are dimmed, and hydrogen peroxide is added. The mixture first glows red and then, amidst vigorous frothing and evolution of heat, an eerie blue...
AP8950 - $35.30
Separate different colored dyes found in grape Kool-Aid® using chromatography methods that mimic popular methods used in research and industry. Students will be amazed as grape Kool-Aid goes through a column and comes out clear. The amazement will...
AP8978 - $24.75
Tired of chemiluminescent experiments that only last for a few seconds? Now you can demonstrate the conversion of chemical energy into light energy for nearly 10 minutes. Simply turn down the lights, combine two solutions and then listen to the oohs...
AP8979 - $35.95
Your students will love this colorful demonstration which is always a teacher favorite at science conventions. A colorless solution is added to each of six seemingly empty beakers. A second colorless solution is then added and each of the six resulting...
AP8983 - $44.45
An exciting demonstration showing the solubility of a gas in water and the conversion of chemical energy to light. Using the old-time ammonia fountain demonstration we've added a “special twist” by having a chemiluminescent reaction also take place...
AP8984 - $64.71
The thermite reaction is one your students will never forget. Flames, sparks, temperatures exceeding 2200 ºC and melted iron are all produced by this spectacular reaction. Thermite is a generic name given to a very high temperature reaction between...
AP8988 - $23.90
Do you and your students need a spring break already? If you can't see a Hawaiian sunset in person, simulate it in the classroom! This fun demonstration shows how light passing through a colloidal suspension is affected by the size of the colloidal...
AP8989 - $55.61
The demo with a surprise ending! Two copper pennies are dissolved in nitric acid, producing a green solution. As the pennies dissolve, the NO2 gas produced is bubbled through a (blue) basic solution containing universal indicator. As the NO2 gas dissolves...
AP9080 - $24.30
It’s amazing how fast germs can be spread around your classroom. In this activity you’ll place a small quantity of glowing lotion on an object in the lab. Discuss how bacteria and germs are spread, telling students that you’ve contaminated one object...
AP9081 - $21.45
Slime is prepared in a solution of fluorescein and bromophenol blue. The resulting slime appears green in reflected light, red in transmitted light, and bright fluorescent green in ultraviolet light. Enough materials are included to perform the...
AP9117 - $22.50
A spectacular “fireworks” display is initiated by adding two drops of water to a mixture of dry chemicals. Place a beaker with very small amounts of zinc dust, ammonium nitrate, and a catalyst in a fume hood. Add two drops of water to the mixture and...
AP9118 - $12.25
Add a few teaspoons of Instant Light crystals to water and watch as the solution immediately produces an eerie blue glow that will last for several minutes. Instant Light is a mixture of dry chemicals, including luminol, that when added to water produce...
AP9157 - $23.65
Perform a safe, microscale simulation of acid rain formation in a plastic bag. Chemicals react to form a visible brown cloud of nitrogen dioxide which, in turn, acidifies water present in the system. An acid–base indicator shows the speed and degree...
AP9303 - $42.90
Demonstrate the characteristic colors of several metal ions with a flame test that is large enough for an entire classroom to observe. An easy setup and excellent flame colors make this kit a perfect addition to your chemistry demonstrations. Add a...
FB0010 - $32.75
Automobiles and factories belching smoke and fumes into a toxic, unbreathable atmosphere. A pristine pond and a deadly rainstorm. Create this dramatic scenario for your class!   A micro environment is created in an aquarium where sulfur and nitrogen...
FB0011 - $70.41
When nitrogen and oxygen—the two primary components of the air we breathe—combine under certain conditions the results can be devastating. In this demonstration nitrogen oxides are generated by the dissolution of copper in nitric acid and the resulting...
FB1025 - $38.75
This oil polymer demonstration will undoubtedly capture your students’ interest, stimulate scientific inquiry, and will heighten their awareness of the emerging environmental pollution issues facing our society.   A new form of hydrocarbon stabilization...
AP7166 - $101.31
Put an exclamation point on your year-end review of chemistry concepts with this electric, entertaining, patriotic set of five demonstrations! • Passing electric current through a solution produces streaks of silver crystals that reverse course when...
AP7165 - $73.35
Welcome your students to the “wonderful world of chemistry!” Five colorful and engaging demonstrations have been selected to help students develop observational and critical-thinking skills—and to get them excited about the amazing science that lies...
AP7281 - $48.05
In every family there are similarities and differences. The same is true in chemical families as well! Explore similarities and differences in the reactivity of the halogens and promote critical thinking with this inquiry-based demonstration. Dilute...
AP7245 - $68.60
Eerie and incredibly cool! Mix colorless and orange solutions in a beaker and start stirring. The color of the solution changes from orange to green. Dim the lights, switch on a black light and the real show begins! Observe the brilliant, fluorescent...
AP7246 - $43.00
Take the weak acid vinegar, substitute three chlorine atoms for the three hydrogen atoms, and remarkably, the new acid is 10,000 times more powerful! Acids vary greatly in their strength—their ability to ionize or produce H+ ions when dissolved in...
AP7290 - $81.10
Captivate students’ attention with four “enlightening” demonstrations about chemiluminescence! • When light is produced without heat, that’s cool! Pour two solutions together to illustrate the light-producing reaction that takes place when luminol...
AP7435 - $42.55
H. J. H. Fenton, an English chemist, discovered in 1894 that some metal ions, particularly the iron(II) ion, catalyze the decomposition of hydrogen peroxide to generate highly reactive intermediates. Fenton’s reaction has been “rediscovered” and is...
AP7448 - $19.25
Water always boils at 100 °C, right? Not always! Water boils at 100 °C at 1 atmosphere of pressure. Every liquid boils at the temperature at which its vapor pressure equals the pressure above its surface. Change the pressure and the required boiling...
AP7396 - $38.60
Except for a very few elements, no atoms of any element have the atomic mass listed in the periodic table. This is due to the existence of isotopes. In this demonstration with an overhead projector, steel spheres are magnetically separated by mass...
AP7421 - $63.35
Try this amazing demonstration! Construct a model volcano using polyurethane foam, and then produce a fiery lava flow using the decomposition of hydrogen peroxide and light stick chemicals. An awesome display of chemical reactions simulating a volcanic...
AP7564 - $42.20
Explore the building blocks of modern materials with this multi-demonstration kit. Model four modern material concepts—X-ray diffraction, Nitinol wires, photoresistors, and piezoelectricity. Help your students understand the importance of these materials...
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