High levels of ultraviolet light can be harmful to many biological systems, as this higher energy radiation has a mutagenic effect on plant and animal cells. This activity studies the relationship between the amount of...
Central to good science are accurate observations, testable hypotheses, well-designed experiments or other tests, and reasonable data analyzes. The purpose of this activity is to introduce the basics of designing and...
In this activity, students investigate the effects of automobile pollution on plant growth by making measurements on two populations of leaves, one from within 10 meters of a busy road and a population of the same...
Statistics play a vital role in the scientific enterprise. This activity provides background information and tutorials on basic statistics (mean, median, standard deviation, etc.) used in science. Topics include...
Obesity is on the rise in the United States, due primarily to the size and composition of the American diet. Discussion topics include lack of exercise, changes in calorie intake over time, and environmental impacts of...
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