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Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.

In this activity, learners use simple items to construct a device for indicating air pressure changes.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

In this activity, learners use simple items to construct a device for indicating air pressure changes.

In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.