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

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

In this chemistry investigation, learners combine common cooking substances (flour, baking powder, sugar, salt, pepper, oil, water, food coloring) to explore mixtures.

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.

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

In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.