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Chemistry

 

Products

- Solutions/Solubility
Audio Conductivity Tester - Multi-Demonstration Kit
AP7279
Students reading a “Caution: Keep away from water!” notice on an electrical appliance may assume all water conducts electricity. Clear up their misconception with this easy-to-assemble conductivity tester that uses a piezoelectric buzzer and emits an...
 
Becker Bottles - One in a Million
AP4559
How big is a million? What does it mean for a contaminant to be found in a concentration of one part per million? These amazing bottles make molecular concentration and ppm contamination concepts more concrete for your students and offer many wonderf...
 
Becker Bottles - One in a Million Too
AP4854
How big is a million? What does it mean for a contaminant to be found in a concentration of one part per million? These amazing bottles make molecular concentration and ppm contamination concepts more concrete for your students and offer many wonderf...
 
Becker Bottles, One in a Million, Set of Two
AP4863
How big is a million? What does it mean for a contaminant to be found in a concentration of one part per million? These amazing bottles make molecular concentration and ppm contamination concepts more concrete for your students and offer many wonderf...
 
Air in a Bottle - Demonstration Model
AP7558
This amazing model will help your students visualize the gases that make up the air and clear up the misconception that there is more oxygen in the air than nitrogen. The 3-liter model contains one million different colored spheres. Each color repres...
 
Crystal Growing Rock - Chemical Demonstration Kit
AP8715
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 in...
 
Growing Crystals in Gels - Chemical Demonstration Kit
AP6157
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 y...
 
Keep Your Eye on the Ions - Double Replacement Model Demonstration Kit
AP6377
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 brea...
 
pH and Protein Solubility - A Reversible Demonstration Kit
AP6692
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 ar...
 
Serial Dilution Demonstration Model
AP7515
What does one part per thousand look like? Make the concepts of concentration and serial dilution more concrete for your students. Unique activity model simulates the process of serial dilution as a stock “solution” of yellow beads is diluted with a ...
 
Solubility Patterns - Chemical Demonstration Kit
AP6353
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 c...
 
Solutions, Colloids, and Suspensions - Chemical Demonstration Kit
AP6635
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 ...
 
Sorting Out Solutions - Chemical Demonstration Kit
AP8902
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 Demo...
 
Supersaturation Flask—Chemical Demonstration Kit
AP8087
Inspire your students’ curiosity about supersaturation, solutions, and crystals with this easy and engaging demonstration! Drop a seed crystal into a flask and watch the chain reaction as the supersaturated sodium acetate solution crystallizes and re...
 
The Aloha Chemical Sunset - Chemical Demonstration Kit
AP8988
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 p...
 
The Chemical Kidney - Chemical Demonstration Kit
AP8461
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 yello...
 
The Colorful Silicate Garden - Chemical Demonstration Kit
AP4424
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 t...
 
Unexpected Precipitation - A Discrepant Chemical Demonstration Kit
AP6651
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 m...
 
Upset Tummy? MOM to the Rescue! Chemical Demonstration Kit
AP5934
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 co...
 
Mini-Ammonia Fountain - Chemical Demonstration Kit
AP7355
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...
 
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