The Nature of Science

The Antigravity Machine

Ask students what they think an "antigravity machine" would do ("something that helps you work against gravity"). Tell them that you are going to show them an antigravity machine for the day’s activity.

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Engineering Task 1046-B

One idea for a space station is to connect two structures with a tube or cables, and set them revolving around each other, creating centripetal force in each to simulate gravity.

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This activity is best done by students individually or working in teams of 2. It is well suited for teaching students about the use of pixels in computer-based graphic art.

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Water Fences

Could you devise an experiment that measures the effect that wind has on evaporation? Ideally you would end up with a graph that shows how increased wind velocity leads to more water loss in a given period of time.

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