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Index Results
(22 Results)

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...
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...
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...
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...
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...
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...
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...
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