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Price:
$55.95
Students perform a two-phase process to produce small batches of crude biodiesel. The crude biodiesel produced is of sufficient quality for use in the demonstration of the burning qualities of both biodiesel and vegetable oil. Included is an optiona... More. |
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Price:
$74.95
Finding ways to preserve and protect our environment is a major concern of educators throughout the country today. The Ecology Action Pack is designed to give both educators and students hands-on experience in working with various environmental prob... More. |
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Leaf Pack Experiments Stream Ecology Kit
Price:
$182.95
Students performing the Leaf Pack Experiments learn to design, implement, and analyze a scientific investigation while discovering the value of aquatic macroinvertebrates as living indicators of water quality and the overall health of a stream ecosystem... More. |
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Price:
$45.95
Can plants really grow without soil? Your class will be fascinated as they compare the advantages and disadvantages of both hydroponic cultivation techniques and traditional means. For each cultivation method, they will compare the rate of germination a... More. |
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Price:
$26.95
A fast, easy way to determine turbidity (degree of visibility) in shallow waters. Designed for use in shallow water, the secchi disk works best in a shaded place. Tie the line securely to the eye of the bolt attached to the disk, mark the line in half... More. |
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How is a Food Web Organized? Lab
Price:
$45.95
Introduce your students to food webs and chains using this game-like activity. Your class will view illustrations of various life forms, study their main characteristics, and determine &8220;who eats whom” as they assemble a food chain of the ... More. |
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Bioremediation by Oil Eating Bacteria
Price:
$99.95
The science of biodegradation, the process by which compounds are naturally broken down by microbes, is examined in this experiment. This naturally occurring process can be enhanced by bioremediation to minimize the catastrophic effects of such things a... More. |
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Price:
$79.95
What can be done to insure the safe arrival of hazardous cargo across highways? In this simulated highway spill of hazardous materials, students carry out a series of chemical and physical tests on several white powders, one of which represents a hazard... More. |
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Fieldmaster® Lake Bottom Sampling Kit
Price:
$363.25
Scoop up the muck from the bottom of a lake, strain it in the field, then bring it back for further study. Contains reusable, durable equipment just like professionals use. Kit includes: Mighty Grab™ featuring stainless steel scoops, sampling pole... More. |
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Using Chemical Reactions to Reduce Waste
Price:
$79.50
Students learn that wastes from many industrial processes contain toxic or valuable substances that can sometimes be reclaimed then recycled or disposed of safely. Working in groups, students reclaim copper from a liquid “waste” containing d... More. |
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