61

Lesson 61 of 84 ยท Earth Systems

Lesson

River Systems and Watersheds (Part 2)

What You'll Learn

Earth's magnetic field extends from the core into space, protecting us from solar wind. It creates the Van Allen radiation belts and causes auroras near the poles.

Key Words

  • evaporation
  • condensation
  • water cycle

Steps

Step 1 โ€” Read

Read about Earth Systems and write down three key facts.

Step 2 โ€” Do

Create a model of the water cycle in a bowl: place warm water in a bowl, cover with plastic wrap, put ice on top, and observe condensation and precipitation.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What is a glacier?