"WardsSci000474"

Same functionality as the TI-34II Explorer plus display and feature enhancements.

Use This Classic Kit To Introduce Children To The Fascinating Structure Of Ant Society.

CAS Number: Mixture
Formula: Mixture
Density: 0.794 g/mL
Boiling and Freezing Point: 78°C, -114°C
Solubility: Miscible with Water and Organic Solvents
Synonyms: Denatured Alcohol, Ethyl Alcohol Anhydrous, Ethanol
Shelf Life: 36 Months

CAS Number: 7757-82-6
Formula Weight: 142.04
Formula: Na₂SO₄
Density (g/mL): 2.698
Boiling Point (°C): >1000
Freezing Point (°C): 888
Solubility: Water
Synonyms: Disodium Sulfate
Shelf Life (months): 36
Storage: Green

Create prints and textile art with colorful bacteria.

Who stole the cookies from the cookie jar?

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Illustrates the key traits of the Hydra organism

Inexpensive, Lightweight Eye Protection.

Engineer the genetics of bacteria and control gene expression with a chemical.

This kit enables a junior researcher to complete DNA transformations with their own engineered DNA and cells.

CAS Number: 1305-62-0
Formula Weight: 74.10
Formula: Ca(OH)₂
Hazard Info: Irritant, Corrosive
Density (g/mL): 2.24
Boiling Point (°C): as CaO 579
Freezing Point (°C): as CaO 2580
Solubility: Water, Glycerol, and Acids
Synonyms: Hydrated Lime, Slacked Lime, Caustic Lime, Calcium Hydrate
Shelf Life (months): 12
Storage: Green

Students investigate the inheritance of the ability to taste sodium benzoate by constructing a pedigree of the ability of members of their family to taste them. Includes: 1 vial sodium benzoate, 1 vial control papers (100 papers per vial), and a family pedigree chart. *Test Paper Factoid: Taste papers can be used to demonstrate inheritance. The ability to taste PTC is a hereditary trait. 7 out of 10 people will taste it. Sodium Benzoate tastes sweet, salty, bitter or will be tasteless to different people. Thiourea tastes bitter to most but is tasteless to some!

Determine the Culprit that Killed Little Bo Peep's Sheep

Genetically engineer organisms to make overripe banana smell through enzyme reactions.

EnviroKleen™ certified thermometers feature black, non-toxic, biodegradable, Enviro-Safe® liquid against lead-free, yellow back glass for easy readability and fewer reading errors.