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Race locally, Compete globally in the largest Hydrogen competition in the world.

With this lab, students learn about the connection between plant and animal cells by examining the interdependence of cellular respiration and photosynthesis in living organisms.

CAS Number: 124-04-9
Formula Weight: 146.14
Formula: HO₂C(CH₂)₄CO₂H
Density (g/mL): 1.34
Boiling Point (°C): 377
Freezing Point (°C): 152
Solubility: Acetone and Alcohol
Synonyms: Hexanedioic Acid
Shelf Life (months): 12
Storage: Green

CAS Number: 631-61-8
Formula Weight: 77.09
Formula: CH₃COONH₄
Hazard Info: Irritant
Density (g/mL): 1.07
Boiling Point (°C): Decomposes
Freezing Point (°C): 114
Solubility: Water and Alcohol
Synonyms: Acetic Acid Ammonium Salt
Shelf Life (months): 12
Storage: Green

CAS Number: 1310-58-3
Formula Weight: 56.11
Formula: KOH
Hazard Info: Corrosive, Irritant, Toxic
Density (g/mL): 2.044
Boiling Point (°C): 1320
Freezing Point (°C): 361
Solubility: Water, Alcohol, and Glycerin
Synonyms: Caustic Potash, Potassium Hydrate
Shelf Life (months): 36
Storage: White

CAS Number: 7440-43-9
Formula Weight: 112.40
Formula: Cd
Hazard Info: Toxic
Density (g/mL): 8.65
Boiling Point (°C): 767
Freezing Point (°C): 321
Solubility: Acid (especially Nitric Acid) and Ammonium Nitrate Solution
Synonyms: Cadmium Metal
Shelf Life (months): 36
Storage: Blue

CAS Number: 7789-75-5
Formula Weight: 78.08
Formula: CaF₂
Hazard Info: Slightly Toxic, Irritant
Density (g/mL): 3.180
Boiling Point (°C): Decomposes
Freezing Point (°C): 1423
Solubility: Ammonium Salts
Synonyms: Fluorospar, Fluorite, Calcium Difluoride
Shelf Life (months): 36
Storage: Green

CAS Number: 10025-69-1
Formula Weight: 225.63
Formula: SnCl₂·2H₂O
Density (g/mL): 2.71
Freezing Point (°C): 38
Solubility: Water, Alkalies, Tartaric Acid and Alcohol
Synonyms: Stannous Chloride, Dihydrate
Shelf Life (months): 12
Storage: White

CAS Number: 141-78-6
Formula Weight: 88.11
Formula: CH3COOC2H5
Hazard Info: Flammable, Explosive, Irritant
Density (g/mL): 0.902
Boiling Point (°C): 77
Freezing Point (°C): -83.6
Solubility: Common Organic Solvents and Slightly in Water
Synonyms: Ethyl Acetic Ester
Shelf Life (months): 36
Storage: Red

This low-cost, portable unit instantly measures levels of harmful beta, gamma, and X radiations on its compressed scale meter.

Explore the pivotal role that enzymes play in the metabolic process.

With the Metabolism Experiment Kit, students draw correlations between organism size, oxygen consumption, and temperature.

How do scientists identify an unknown solution?

Learn about polymer chemistry polymer properties like cross-linking and super-absorbance.

Monitor the temperature of pharmaceuticals, vaccines, chemicals, blood and blood products, food products and more with these high accuracy digital thermometers with chemical resistant probes.

Students duplicate the famous peppered moth evolution study in the lab with this Natural Selection Experiment.