84

Lesson 84 of 84 ยท Earth Systems

Experiment

What Makes Wind? (Part 3)

What You'll Learn

The ocean covers most of Earth's surface. Ocean water is salty!

Key Words

  • river
  • lake
  • ocean

Materials Needed

  • newspaper
  • spray bottle
  • cups
  • thermometer
  • rain gauge
  • cotton balls

Safety First

  • Wash hands after handling materials.
  • Be careful with scissors โ€” ask an adult for help if needed.

Steps

Step 1 โ€” Read

Look at the picture and read the labels.

Step 2 โ€” Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3 โ€” Observe

Draw a picture of what you observe.

Step 4 โ€” Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

What happens when the sun heats water?