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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.

In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.

This highly visual model demonstrates the atomic theory of matter which states that a gas is made up of tiny particles of atoms that are in constant motion, smashing into each other.

In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

In this activity, learners simulate the behavior of the atmosphere.