Deserts: Land of Extremes

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

climate
precipitation
water cycle

Materials Needed

cups
thermometer
rain gauge
cotton balls
food coloring

Safety First

Adult supervision recommended.

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?