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In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.