Across
- 3. to stay up without falling
- 6. to succeed in difficult situations
- 8. to stay strong and not give in
- 9. the planet we live on
- 10. a gas that people need to breathe
Down
- 1. friendly and easy to talk to
- 2. a temperature scale used around the world
- 4. a shaking of the moon's surface
- 5. people who study how the world works
- 7. to be very surprised
- 8. to move around and explore