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In this activity, learners make a barometer, an instrument to measure change in air pressure.

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 weather activity (page 1 of the PDF), learners will construct their very own anemometer to measure wind speed.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.

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

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.