Tornadoes: Funnel Clouds

What You'll Learn

Glaciers are massive bodies of ice that form from compacted snow. They shape landscapes by carving valleys, depositing sediment, and creating features like moraines and cirques.

Key Words

climate
atmosphere

Steps

Step 1 — Read

Read the introduction and identify the main idea of this lesson.

Step 2 — Do

Create a timeline of Earth's history on a 5-meter strip of paper. Place major events (first life, dinosaurs, ice ages, humans) at the correct scale.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What instrument measures air pressure?