Students design experiments to test. Students observe duckweed in a small container. Then, they design an experiment to change an environ- mental variable and increase the rate of growth in duckweed. Essays on how organisms interact with other living things in their environment. Construct a concept map with the appropriate terminology to show how living things interact with other living things in their environment.
Students scoop beans with the spoon and count how many beans they get.
This determines reproduction rate of both mice and weasel. Each round, for every five mice, the weasel has a baby. The mouse population doubles at the end of the round. The rounds continue and mouse and predator population is graphed. Available at CIBT web site Bring in information on local environ- mental problems, issues and solutions.