Unit 1: Introduction to Earth Science

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

The water in the oceans has travelled vast distances. It has even time spent deep below the surface of the Earth, trapped inside the mineral ringwoodite.

Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?

Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.