12
Lesson 12 of 84 · Space
ExperimentThe International Space Station
What You'll Learn
The International Space Station orbits Earth about 400 kilometers above the surface. Astronauts conduct scientific experiments in microgravity conditions there.
Key Words
- solar system
- gravity
Materials Needed
- string
- tape
- pencil
- ruler
- compass
- black paper
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Look at the vocabulary words and write a definition for each in your own words.
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 3Which planet has the most visible rings?