Earth and Space

Learn about the chemical reaction that happens between acid rain and limestone.

Can your body be a source of electricity generation? Maybe, if you understand heat transfer. Explore this concept through a 2013 invention by a Canadian teen.

15 images of various instruments such as rain gauges, wind vanes and weather satellites used to inform us about the weather

5 images of cirrus clouds that are wispy or feather-like clouds at high level, made of ice crystals and may indicate an approaching storm

11 images that illustrate some daily weather conditions such as cold, hot and windy

1 diagram illustrating the water cycle

5 images of scenes showing various sunrises

5 images of scenes showing various sunsets

16 images of some activities that may happen in the summer such as swimming, canoeing and playing baseball

8 images of different lunar phases showing the portion of the Moon lit by the Sun as the Moon orbits the Earth and as seen by us on Earth

Learn how moving water can be used to generate electricity. This is called hydroelectric power generation.

Explore surface tension in this hands on challenge activity.

Do you like to look at the stars? What can you identify in the night sky? Try finding some important constellations tonight!

Learn how you can write and reveal secret messages in this hands-on chemistry activity.

Make and test a model paddle boat and learn about potential and kinetic energy.