Looking at Constellations (Part 2)

What You'll Learn

A shadow forms when an object blocks light. On a sunny day, your shadow changes length!

Step 1 — Read

Read the introduction. What is this lesson about?

Step 2 — Do

Use a flashlight and a ball to show how the Earth's spin creates day and night.

Step 3 — Observe

Look for something that changed. What is it?

Step 4 — Record

Circle the correct answer on your worksheet.

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What do astronauts do?