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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.

Why is ocean water sometimes the warmest when the average daily air temperature starts to drop? In this activity, learners explore the differing heat capacities of water and air using real data.

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

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

In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

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