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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 play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

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?

Water on Earth is in lakes, the ocean, rivers, underground, and frozen glaciers.

Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.

How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?