Curated OER
Toothpick Breakdown
Fourth graders model the activity of an enzyme acting on a substrate and observe relationships. Have students place toothpicks in a pile. One member of the team should break as many toothpicks as possible, in 10 seconds.
Curated OER
Urban Impact on Chollas Creek (California): A Field Study
Students, in groups, take samples from a creek and keep a field journal on their samples. They also perform tests on their samples.
Curated OER
How Do I Get a Pure Sample of the Molecules I Make?
Students initially engage in online research and consult print materials to identify a compound to produce. Once a selection has been made, individually, students conduct lab experiments to isolate substances. The end product is a...
Curated OER
What Do People Know About Radon?
Students complete a survey about how much they know about radon. They calculate the mean scores for each question and graph them. They discuss the results as a class.
Curated OER
What Do People Know About Radon?
Students complete and discuss a radon survery. They calculate the average for each question based on the response. They graph the responses and analyze the information.
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