Across
- 2. This layer of atmosphere protects us from harmful UV radiation
- 7. Time it takes for the sun's light to reach earth, 8 ____
- 8. Monkey-like creature native to Madagascar
- 9. Mt ____, tallest mountain in the Philippines
- 10. Most abundant gas in our atmosphere
Down
- 1. Material that doesn't conduct electricity
- 3. Sputnik 1, first man-made satellite, was launched by them
- 4. Largest planet in our solar system
- 5. First name of the guy who discovered gravity
- 6. The study of mushrooms