Deserts: Land of Extremes (Part 2)

What You'll Learn

Deserts receive less than 25 centimeters of rain per year. Hot deserts have extreme daytime temperatures, while cold deserts like Antarctica are dry but freezing.

Key Words

volcano
landform

Materials Needed

cups
thermometer
rain gauge
cotton balls

Safety First

Wash hands after handling materials.
Be careful with scissors — ask an adult for help if needed.

Steps

Step 1 — Read

Read and learn: Deserts receive less than 25 centimeters of rain per year. Hot deserts have extreme daytime temperatures, while cold deserts like Antarctica are dry but freezing.

Step 2 — Do

Conduct the experiment by following the instructions.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is a watershed?