Across
- 3. the study of science
- 6. the earth and stars are in it
- 7. the only planet with intelligent life
- 9. the brightest thing in the night sky
- 10. the study of the universe and it's contents
Down
- 1. a chocolate bar was named after it
- 2. the symbol for water
- 4. ding a practical in science
- 5. pulls everything towards the middle of earth
- 8. supply's light to earth