"Ward's Science"

Freshwater. Filamentous. True branching, dimorphic structure. Basic culture solution.

Shipped in a form that provides the best quality specimen. Most are supplied in 16 x 125 mm tubes, 2 oz. jars, or 8 oz. jars..

Density : 0.8 g/mL
Boiling Point: 56°C
Solubility: Miscible with Water, Alcohol, Ether and Chloroform
Synonyms: 2-Propanone, Dimethyl Ketone, Solvent
Shelf Life: 36 Months

CAS Number: 7732-18-5
Formula Weight: 18.02
Formula: H₂O
Density (g/mL): 1
Boiling Point (°C): 100
Freezing Point (°C): 0
Shelf Life (months): 36
Storage: Green

Long life cycle (approximately one month). Useful for comparative population studies and for preparing salivary gland chromosome squashes.

Recommended by the Carnegie Institute
Mature Drosophila are cultured in our own labs, and are marked with the culture initiation date. Culture is shipped in our instant medium in a shatterproof vial. The pupae will usually appear within ten days of the ship date. You will also receive WARD’S Drosophila Culture Guide. Note: We can supply any of our single strains in the larger quantity for 100 students. Call our Customer Service department for details.

In this activity, students make hypotheses regarding household items and then test them.

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

CAS Number: 9001-05-2
Density: 1.18—1.28 g/mL
Synonyms: Catalase Enzyme, Catalase Concentrate, E.C. Number 1.11.1.6
Shelf Life: 12 Months
Storage: Green

CAS Number: 10361-37-2
Formula Weight: 208.27
Formula: BaCl₂
Hazard Info: Toxic
Density (g/mL): 3.9
Boiling Point (°C): 1560
Freezing Point (°C): 963
Solubility: Water
Synonyms: Barium Dichloride
Shelf Life (months): 36
Storage: Blue

CAS Number: 7758-99-8
Formula: CuSO4 5H2O
Density: 2.284 g/mL
Freezing Point: 150°C
Solubility: Water and Methanol
Synonyms: Copper II Sulfate 5-Hydrate, Cupric Sulfate 5-Hydrate
Shelf Life: 36 Months

CAS Number: 7758-05-6
Formula Weight: 214.00
Formula: KIO3
Hazard Info: Oxidizer, Toxic
Density (g/mL): 3.98
Solubility: Water and Dilute Sulfuric Acid
Synonyms: Iodic Acid, Potassium Salt
Shelf Life (months): 36
Storage: Yellow

CAS Number: 58-08-2
Formula Weight: 194.20
Formula: C₈H₁₀N₄O₂
Hazard Info: Toxic
Density (g/mL): 1.23
Boiling Point (°C): 178
Freezing Point (°C): 238
Solubility: Chloroform, Water and Alcohol
Synonyms: 1,3,7-Trimethylxanthine
Shelf Life (months): 12
Storage: Blue

CAS Number: 6381-92-6
Formula Weight: 372.24
Formula: C10H14N2Na2O8·2H2O
Solubility: Slightly in Water
Synonyms: Ethylenediaminetetraacetic Acid, Disodium EDTA Dihydrate
Shelf Life (months): 36
Storage: Green

Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 1.04
Shelf Life (months): 36
Storage: Green

CAS Number: 7757-79-1
Formula: KNO3
Density: 2.1 g/mL
Boiling and Freezing Point: 400°C, 333°C
Solubility: Water, Glycerin, and Alcohol
Synonyms: Potash Nitrate, Saltpeter
Shelf Life: 36 Months

CAS Number: 9012-54-8
Solubility: Water
Synonyms: Cellulase Enzyme
Shelf Life (months): 36
Storage: Green

Learn about the effect a catalyst has on a chemical reaction.