39
Lesson 39 of 84 ยท Space
LessonRockets and How They Work (Part 2)
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
- orbit
Steps
Step 1 โ Read
Review the background information on Space before starting.
Step 2 โ Do
Model Earth's tilt and seasons: hold a globe tilted at 23.5ยฐ and walk it around a lamp (the sun). Observe which hemisphere gets more direct light at each position.
Step 3 โ Observe
Draw a detailed diagram of what you observe.
Step 4 โ Record
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What causes moon phases?
