Across
- 2. what holds the planets in orbit around the sun?
- 5. In which Galaxy our Solar System is located?
- 6. Earth has 3 layers: Crust,Core and?
- 7. What is the study of Space and Matter?
- 9. Which layer protects earth from harmful Solar radiation?
Down
- 1. Earth atmosphere is made up of 78%____?
- 3. Earth is the only planet to support?
- 4. 70% of the earth is made up of?
- 6. What is the natural Satelite of the Earth?
- 8. Earth is the 3rd planet from the?