Unit 4: Weather Systems

1 diagram illustrating the water cycle

5 images of scenes showing various sunrises

5 images of scenes showing various sunsets

One of the greatest hazards that humans in space face is cosmic radiation. Learn what cosmic radiation is, why it's dangerous, and ways that we are looking at protecting humans in deep space.

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.

Learn how to make a pH indicator and test water samples.

Learn how people came to understand the source of cosmic radiation, as well as how this radiation impacts those who work in and travel on airplanes.

Find out how asteroids, space debris, and cosmic radiation can be dangerous, and how to monitor them and protect ourselves from these space hazards.

4 images of some work that a meteorologist might do such as forecasting the weather and analyzing clouds

5 images of some work related to the scientific study of climate such as using instruments to measure changes in climates