A dramatic way to demonstrate the presence of coliforms in water samples to students with a limited laboratory background. Eliminates the need for expensive laboratory...
Osmosis and diffusion are essential concepts in understanding how cells survive. The exchange between water and solutes is visually observed in this three part lab...
This exercise is designed to demonstrate the effectiveness of different categories of chemical herbicides. Students transplant grasses and weeds into flats or pots and investigate...
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