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Learners see that a carrot slice sinks in fresh water and floats in saltwater.

Many people get water from a source deep underground, called groundwater.

In this physics activity, learners will explore buoyancy.

Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.

This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

This is an activity about turbidity, or the amount of sediment suspended in water.

Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.

Learners see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float.