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Launch your students into a discussion of chemical reactions with this fun, safe, and exciting demonstration. This thrilling demonstration of the controlled combustion of isopropyl alcohol teaches students the concepts of combustion, thermochemistry,...

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 to...

Discover the incredible properties of silver nanoparticles in this hands-on nanotechnology activity. Students create their own colloidal silver solution, observe the ability of the solution to scatter light, and learn about its antimicrobial properti...

Produce something new—synthesize! Aluminum potassium sulfate (alum) is used for many different purposes—from pickling foods to aftershave for men. Students perform a multi-step chemical reaction starting with a common household ingredient—aluminum fo...

See the true colors of copper carbonate. The empirical formula of copper carbonate is not obvious but its parts can be investigated and related to the composition of the whole. Students measure the amount of gas generated and apply colorimetric analy...

Dyes color our world and are found in everything from clothing to food. Yet only seven dyes are used to make all of the artificial colors seen in food made in the United States. Food processing is a rigorous undertaking—explore how these dyes may cha...

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 volcan...

Food dyes are everywhere, from food to drink to cosmetics! How much food dye is actually contained in products? In this experiment, determine how much or little of a series of food dyes are added to granular drink mixes to give these drinks their viv...

Sunburn! We have all experienced the pain and misery of overexposure to the Sun’s intense “heat.” Sunscreens applied to the skin shield us from the damaging ultraviolet rays. What do sunscreens contain and how do they block this harmful radiation?Stu...

50 + 50 doesn’t always equal 100! Many students have heard that matter is not created or destroyed. This concept relates to mass but not to volume or moles. Show students that adding two identical volumes does not always give twice the volume when co...

Solve the acid and base mystery. Through deductive reasoning and microscale titrations, students learn the identity and concentrations of the four acid and base solutions. This guided-inquiry experiment can be adapted for various levels of students a...

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 n...

Explore the properties of superabsorbent polymers using water marbles. Amaze your students by “floating” a steel sphere on “water.” Since the water marbles have essentially the same refractive index as water, the steel sphere will appear to float on ...

Make sure you have these essential items in your lab! Kit includes one each of the following best-selling laboratory items:   • Flinn pH Meter, AP8673 • Flinn Digital Pocket Thermometer, AP6049 • Timer, Count up/Count down, AP8874 • Flin...

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 ...

Add some sparkle to your next holiday celebration by making crystal ornaments. Students make a saturated solution of sodium borate, bend a chenille wire into the desired shape and suspend the wire in the solution. The next day students remove a beaut...

Ferrofluid, first developed by NASA in the 1960s, consists of nano-sized magnetic particles suspended in a liquid. Your students will be fascinated as you demonstrate the unique properties of this nanoscience material and produce interesting 3-dimens...

Many of the experiments that led 20th century scientists to discover the nature of the atom involved indirect observation and inference. During the early 1900s, scientists such as J. J. Thomson and Ernest Rutherford were faced with the challenge to d...

Stoichiometry! A word as strange to some students as the concept it defines. A balanced chemical equation gives the mole ratio of reactants and products for a chemical reaction. When chemical formulas are known, it is relatively easy to determine the...

Outfit your science labs with our convenient, Flinn-exclusive equipment drawer set! Includes best-selling, most commonly used equipment for one lab station or student group, from spatulas and stirring rods to thermometers, ring stands, and utility cl...

Reviewing the elements and their positions on the periodic table will be enjoyable for your students with this fun game. Students play in pairs, with each student challenged to find out the mystery element of an opponent who is trying to do the same!...

Are any other acids found in fruit juices besides citric acid? Some edible fruits contain six or more carboxylic acids, including benzoic and traces of oxalic. How are these acids separated and identified? Thin layer chromatography, or TLC, is a quic...

Many students are quite puzzled about moles. Scientists “count out” atoms or molecules by weighing them. Learn or review the concepts of atomic mass, molar mass, Avogadro’s number, conversions, and chemical formula writing with the Mole Concept Puzzl...

Food dyes have been used extensively for more than 100 years. Would you eat maraschino cherries if they were their natural color of beige instead of red? Explore the properties of the seven Food, Drug, and Cosmetic (FD&C) artificial food dyes wit...

There is more to spinach than meets the eye! A green leafy vegetable, spinach contains iron, chlorophyll, and several other pigments. Students are guided in the use of basic column chromatography techniques to find and identify these accessory pigmen...

Word, logic, and arithmetic puzzles have proven educational value in the classroom! Engage and motivate your students, and stimulate their recall and application of chemistry nomenclature, terminology, and calculations with this book of unique puzzle...

Measurement is a basic and essential component in many science laboratory investigations. In this unique activity, students practice and perfect their measurement skills using an incredible shrinking material known as shrink plastic. Students calcula...

The course description for the College Board AP Chemistry lists the following topics for stoichiometry: net ionic equations, balancing equations, and mass and volume relationships relating to the mole concept, empirical formulas and limiting reactant...

The following topics are listed for acids and bases by the College Board: concepts of Arrhenius, Brønsted–Lowry and Lewis, coordination complexes, amphoterism, pKa and pH, buffers, and hydrolysis. Use this set of three acid–base demonstrations to bot...

Are your school’s science areas, laboratories, and storerooms safe? Do you want to save time performing a safety inspection with guidelines to follow? The Flinn Laboratory Safety Inspection Kit helps you identify existing and impending safety problem...

Add some realism to your forensic classroom! Have your students perform a fingerprint technique currently used by many police departments called super glue fuming! Students place an object in a fuming chamber and use the fumes from ordinary Super Glu...

The bicycle race is over and the top three finishers have been accused of cheating by blood-doping, a means of artificially increasing the number of red blood cells in the body. Students become real-world lab technicians as they analyze red blood cel...

The answers to Friday’s exam are mysteriously missing from the teacher’s desk drawer. Fingerprints are taken from the “crime scene” to help identify anyone who may have opened the drawer. One set of prints belongs to the teacher but an additional set...

Nucleic acids were first extracted from cells in 1869—long before Watson and Crick were born. Explore some of the same techniques used by scientists to determine the chemical composition of nucleic acids back when the contents of cells were unknown. ...

Large, colorful 24” x 36” poster to enhance any genetics unit. Portrays common traits of base color and wing color for the familiar “budgie” bird. A pair of homozygous dominant and recessive parents is crossed to produce the heterozygous F1 generatio...

Make meiosis memorable using large-scale magnets! Instead of struggling to tell which chromosome is which from one stage to the next, magnetic chromosomes allow students to clearly see how each chromosome moves and changes. Follow the magnetic chromo...

A cell membrane’s ability to adjust to varying conditions is truly remarkable! Is there a limit to the amount of stress cell’s plasma membrane experiences before the cell becomes vulnerable? Students explore potential membrane damage by exposing beet...

Cell division takes center stage! Show cell division on a grand scale by manipulating large magnetic models. Demonstrate chromosome activity in each mitotic phase to your entire classroom. Interactive model physically shows how chromosomes move and s...

The major biology theme of structure and function occurs frequently in the essay portion of the AP exam. Use these three biology demonstrations to cement student understanding of the connection between the structure and the function of a biomolecule ...

You are the head of a crime lab! Field agents have just brought back evidence from the crime scene and now it is up to the lab team to compile data from the evidence. Students examine four different slides to determine what type of tissue is present ...

This simulation kit is a great alternative to conducting the full Sordaria genetics laboratory. Visual perithecium cards allow each student group to count crossed and non-crossed ascospores, to calculate the spore color gene map distance, and to comp...

Students prepare cross plates and cross wild type and mutant strains of Sordaria fimicola in this advanced genetics laboratory. Daily observation of the growing culture provides an opportunity to observe the life cycle of a member of the fungal kingd...

Build a functioning heart model! The heart acts as the “pump” of the cardiovascular system. Pressure created in the heart drives blood throughout the entire circulatory system. Balloons, rubber tubing and adjustable plastic clamps are used to constru...

Get those hearts beating! Resting heart rate, maximum heart rate, target heart rate—what do all these numbers mean? How are these heart rates determined? In this completely reusable demonstration, three student volunteers perform fitness activities w...

You pick up a pan by the handle and almost simultaneously realize it is scorching hot and drop it! The act of letting go of the pan is an example of a reflex. The body has numerous reflexes that are designed to protect us from harm. Students perform ...

Frustrated by dissection guides that your students cannot understand? Flinn’s dissection guides were written for maximum comprehension by middle school and high school students. The consistent writing style and format allows students to compare anato...

Brightly colored photo guides produced with middle school and high school students in mind! Created from photographs taken during actual dissections, these versatile guides will be tremendous tools for all of your students’ study of anatomy and zoolo...

Frustrated by dissection guides that your students cannot understand? Flinn’s dissection guides were written for maximum comprehension by middle school and high school students. The consistent writing style and format allows students to compare anato...

Brightly colored photo guides produced with middle school and high school students in mind! Created from photographs taken during actual dissections, these versatile guides will be tremendous tools for all of your students’ study of anatomy and zoolo...

The quality of our water sources is of great concern to us all. Students will see the effects of chemical and thermal pollution first-hand when they perform this intriguing experiment. Students introduce yeast to different environmental conditions to...

What are those insects and other organisms in the stream? Students use a macroinvertebrate card deck and a dichotomous key to identify 20 different illustrated macroinvertebrates. Students learn more about the types of macroinvertebrates in their loc...

The increase in amphibian deformity rates and decline in amphibian populations throughout the world has become an issue of great concern. This hands-on card game simulates a frog population of a local pond under both natural- and human-influenced sit...

Hundreds of species of organisms are living right under your feet! According to the U.S. Department of Agriculture, a single spadefull of rich garden soil contains more species of organisms than can be found above ground in the entire Amazon rain for...

For centuries earthquakes have both fascinated and frightened. In this activity-stations lab, students explore what causes earthquakes, discover why they are so unpredictable, and investigate factors that impact the effects of seismic activity. Four ...

Shake…rattle…and roll. Many of the world’s most powerful earthquakes are generated at subduction zones where tectonic plates converge. Visually introduce the theory behind these “megaquakes” by simulating the forces involved with subducting plates. D...

An effective classroom simulation of the classic peppered moth natural selection study. Students assume the role of predatory birds capturing moths on a simulated bark background. Results show students firsthand how the moths’ population directly rel...

What is the water quality of this stream? Is it polluted? Students use a sample of illustrated macroinvertebrates to determine the Biotic Index and the water quality of a simulated natural water source. Students also use the illustrated macroinverteb...

Whether you’re lifting a box, playing hockey, or flying to the moon, your physical motion and interactions are governed by Newton’s laws! In this activity-stations lab, students investigate inertia, force, and acceleration using air pucks, carts and ...

Which collision imparts more momentum—an object that hits a block of wood and sticks to it, or an object that bounces straight off? The answer will knock over one of the blocks, not to mention your students! This simple but effective demonstration us...

Help students clearly see the difference between primary colors of light and primary colors of pigment. Show color mixing by addition using blue, red, and green filters. The three primary colors of light are projected onto a screen then refracted to ...

Students experience the effects of inertia every day—riding in a car, playing sports, even picking up their backpacks. Present a more dramatic demonstration of Newton’s law of inertia by safely and simultaneously dropping three eggs into beakers of w...

Listen up! We are constantly exposed to sounds from televisions, radios, traffic, and even each other. When present at safe volumes, these sounds don’t affect our hearing, but, if the sounds are too loud or last too long, hearing may be compromised. ...

Bright, fun, informative poster illustrates the properties and applications of six simple machines. Includes descriptions of the basic physical science concepts for each machine—load, resistance, force, effort, etc.—and explains how the machine works...

Atmospheric pressure is all around us and we can prove it with the power of pressure! A water-filled test tube is covered with an index card and inverted. The card stays in place due to atmospheric pressure. Could the pressure push a smaller tube int...

Demonstrate the apparent discrepant effects of sound interference using an easy-to-assemble apparatus. Send a sound wave along two paths of different lengths. What happens if one path is blocked? The result may surprise you and your students! When so...

Create a classic stage illusion—similar to a haunted house at a theme park—in your classroom! Simply shine a light on a hidden object inside the darkened “object room” in the Optical Illusion Apparatus, and watch as a life-like, three-dimensional ima...

Capacitors are simple circuit components with advanced applications in modern electronic devices. Make these applications easy for students to understand by letting them “play” and learn with capacitors. What happens if a capacitor is connected with ...

Imagine life without your favorite electronic devices! Use this guided-inquiry lab activity to investigate the essential function of resistors in modern electronics. In this two-part “mystery” analysis, students first decode the color bands on a seri...

Science includes observation that sparks curiosity. If a full water bottle has three outlets—one at the top, one in the middle and one near the bottom will the water flow from each outlet in the same manner? The Water Spouts demonstration is a visual...

How can an object less than a millimeter wide be measured? Students use a key-chain laser pointer to measure the width of three micrometer-size objects—a fishing line, copper wire, and a strand of human hair. As the laser light bends around each obje...

Welcome students to an exciting year of exploration and discovery in the chemistry classroom! Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop classroom with fe...

Science is a verb—do it! Discover proven lab and classroom activities to improve students’ critical thinking and problem-solving skills while investigating chemical principles.Our incredible video series of tested and proven lab activities is now ava...

Design activities to visualize models of atomic and electron structure, explore periodic trends, and apply the principles of chemical bonding to understand the properties of matter. Our incredible video series of tested and proven lab activities is n...

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Reach new heights studying the properties of gases and explaining their behavior! Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop classroom with fellow tea...

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Discover the properties of solids and liquids! Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop classroom with fellow teachers as award-winning presenters p...

Increase the effectiveness of teaching these related, unifying principles governing chemical reactions. Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop cla...

Explore electron energy levels and conversion of chemical energy into electrical energy! Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop classroom with fel...

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The Teaching Chemistry Video Series is now available on DVD!Our incredible video series of tested and proven lab activities is now available on DVD! Experience the inspiration of being in a workshop classroom with fellow teachers as award-winning...