45
Lesson 45 of 84 · Days and Seasons
ExperimentStars in the Night Sky (Part 3)
What You'll Learn
When you look at the night sky, the light from some stars took years to reach your eyes!
Key Words
- planet
- Earth
- orbit
Materials Needed
- flashlight
- ball (Earth)
- small ball (moon)
- dark room
- paper plate
- markers
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Step 1 — Read
Read and learn: When you look at the night sky, the light from some stars took years to reach your eyes!
Step 2 — Do
Sort, group, or arrange the items as shown.
Step 3 — Observe
Compare what happened to what you predicted.
Step 4 — Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Why can we see the moon at night?