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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure.

In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.

In this activity (on pages 29-35), learners examine water pollution and filtration.

In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.

In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.

Learners explore the variables that affect the properties of ice and the places where different types of ice are found.