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Make your own foam and explain how when two viscous liquids are mixed together, they initiate a reaction producing a light weight polyurethane foam which expands to 30 times the original volume of the two liquids. Aligned to the Next Generation Science Standards (NGSS)* Disciplinary Core Ideas:...
Often times, during a criminal investigation, police and crime scene investigators must use all available tools and pieces of evidence to work backwards and create the most likely scenario as to what might have occurred. Different types of evidence provide different pieces to the puzzle. Learn about...
For Educational, Classroom Purposes Only
The school library’s computers have been stolen. Left behind was a ransom note demanding money. Help solve the crime using thin-layer chromatography to separate the ink on the ransom note and ink found in markers tied to possible suspects. It may be possible to provide evidence as to whether or not...
Refill Kit Includes: 15mL Potassium Hydroxide 15% 1 pkg Peas Seeds 1 pkg Non-absorbent Cotton 1 pkg Absorbent Cotton DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only
Amino acids are the fundamental building blocks of all proteins. Often times scientists may need to identify the amino acid contained in a protein. One such method for separating and identifying individual amino acids is paper chromatography. In this activity, students will perform a paper...
Be prepared for spills in your lab. This kit contains enough material to clean up a liter of four different kinds of chemicals in your lab. Complete with instruction sheets and SDS. Kit Includes: 1100g Diatomaceous Earth (Flammable Absorbent Material) 1.0kg Acid Spill Cleanup Kit (Acid Neutralizing...
Test water sample for chloride, copper, iron, hardness, nitrate, pH, phosphates, and temperature. This kit will allow students to learn about how water quality affects urban areas. Kit contains enough materials to perform 10 tests.
An all-purpose medium for the growth and maintenance of a wide variety of fungi and yeasts. 500 g Sabouraud-Dextrose Agar Use 65 grams with 1 liter of water. DOT Info: Non-regulated