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