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Biology

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How Scientists Do Science (kit for 40 students)
How Scientists Do Science (kit for 40 students)
14911

Teach your students basic problem-solving skills! Challenge them to develop and test a hypothesis which determines the ideal environmental conditions for specially encapsulated sponge animals to emerge from their "cocoons". In the process, they learn the basics of how scientists design experiments, control variables, gather information, summarize and present data, and solve scientific problems. Grades 7-10

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$27 Each $36.95 Each
Common Indicators Kit
Common Indicators Kit
11230

The younger students will be able to graphically determine for themselves the nature of acid-base chemistry. The experiments are varied and take advantage of common products. Kit contains: 1 vial Universal Indicator solution, 1 vial phenolphthalein solution, 1 vial methyl orange solution, 1 instruction manual, 24 student data sheets 6 color chart. Grades 5-8.

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$55.00 Each
Standard Ant Farm
Standard Ant Farm
12807

Watch ants build rooms and dig tunnels. Unit comes complete with handbook, food, liquid feeder, supply of sand, and coupon for ants. 6" x 9".

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$12.95 Each
Holding Solution - Pre-Mixed 32 oz. in Spray Bottle
Holding Solution - Pre-Mixed 32 oz. in Spray Bottle
16831

Pre-mixed with water in 32 oz. spray bottle. 90% Propylene Glycol, 9% Ethylene Glycol Phenyl Ether, and 1% Diethylene Glycol Phenyl Ether. In addition, this solution is an effective humectant. Using this holding solution ensures that your specimens stay moist, flexible, and mold-free.

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$12.95 Each
Holding Solution
Holding Solution
16830

Yields 10 Gallons of ready-to-use solution. A superlative holding fluid with safe, yet powerful fungicide properties. 90% Propylene Glycol, 9% Ethylene Glycol Phenyl Ether, and 1% Diethylene Glycol Phenyl Ether. Mix with water. In addition, this solution is an effective humectant. Using this holding solution ensures that your specimens stay moist, flexible, and mold-free.

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$43.95 Each
Petri Dishes w/ Agar - Set of 2
Petri Dishes w/ Agar - Set of 2
15745

Grow your own bacteria specimens with this set. Includes 1/2 teaspoon of agar, two plastic petri dishes and agar preparation instructions.

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$9.95 Set