Rockets and How They Work

What You'll Learn

Earth rotates on its axis once every 24 hours, causing day and night. The side facing the sun experiences day, while the opposite side experiences night.

Key Words

eclipse
nebula

Steps

Step 1 — Read

Review the background information on Space before starting.

Step 2 — Do

Model Earth's tilt and seasons: hold a globe tilted at 23.5° and walk it around a lamp (the sun). Observe which hemisphere gets more direct light at each position.

Step 3 — Observe

Draw a detailed diagram of what you observe.

Step 4 — Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What causes moon phases?