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Index Results
(27 Results)

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...
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...
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...
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...
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....
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...
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...
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...
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...
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”...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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....
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...
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...
AP7355 - $26.25
Add more color to the classic ammonia fountain demonstration by down-sizing it! Safely collect ammonia gas in jumbo pipet bulbs, place them in a rainbow array of indicator solutions, and give each bulb a gentle squeeze to draw up just a drop of water....
AP7424 - $52.60
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 both...
AP7498 - $34.95
Quench your students’ thirst for knowledge with a fountain of surprises in this guided-inquiry demonstration. The fountain appears to require no energy to run—defying the laws of nature. Marvel as Hero of Alexandria did 1900 years ago when he used...
AP7693 - $74.35
Explore the principles, properties, and applications of acid−base chemistry with five coordinated—and colorful—activities for this vital unit in your curriculum. Two demonstrations, a lab experiment, and two POGIL activities provide a well-rounded...
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