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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.

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

In this activity, learners explore and compare the buoyant properties of materials found in nature and in human-made materials.

In this physics activity, learners will explore buoyancy.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.

In this activity, learners explore how engineering has developed various means to remove impurities from water.

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?

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 the design thinking process to design and build their own aqueduct, or water bridge.

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