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Index Results
(16 Results)

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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
AP6538 - $39.70
Watch as beautiful stalactites and stalagmites form before your eyes! A great demonstration kit for chemistry and earth science classrooms alike. The double-replacement reactions seen in this demonstration can be used to illustrate a variety of science...
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....
AP8087 - $41.24
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...
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