Across
- 3. anything that takes up space
- 5. the first element on the periodic table
- 7. something that is mainly found in the Asteroid Belt
- 9. the largest planet in our solar system
- 10. the amount of space a 3 dimensional object takes up
- 12. a tool that is used to observe the sky
- 13. a cross between two different things
Down
- 1. a microbe that can only harm you
- 2. another word for 'star'
- 4. a positively charged sub-atomic particle
- 5. something that appears to be real, but is actually transparent
- 6. another name for the skull
- 7. the name of our closest neighboring galaxy
- 8. a microbe that is about 1000 nanometers
- 11. a liquid of extreme temperatures