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

Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

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 meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

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

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 design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.

Agriculturalists have long considered mushroom growing a challenge, largely because you need a piece of benchtop equipment known as a laminar flow hood.

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

In this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.

In this activity, learners explore clouds and how they form.

In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.

In this activity, learners explore rocketry and the principals of space flight.

In this activity, learners create a "Jam Jar Jet" based on Francois Reynst's discovery of a pulsejet engine, which uses one opening for both air intake and exhaust.