Across
- 2. scientist used to get to the space and the moon
- 4. when the earth was placed in the middle of the solar system
- 9. how much can fit in an object
- 10. measuring from a crust to a crust or a trough to a trough
- 13. when the sun is placed in the middle of the solar system
- 15. a circuit that has only 1 wire
- 16. a instrument of space study to look at different planets or stars
- 17. how much a planet is tilting in degrees
- 19. when the temperature is at 0K
- 20. an space object classified as a planet but is to small to be called a real planet (ex. Pluto)
- 22. the bottom of the wave
- 23. the bending of light
- 25. middle frequency, visible for humans
- 26. 1m/s²
Down
- 1. lowest frequency on the electromagnetic spectrum
- 3. a circuit that has more than one wire
- 5. an amount of time for a Planet to circle around the moon
- 6. You can not go past the speed of this
- 7. 4m/s
- 8. 2 or more atoms fused together
- 11. highest frequency on the electromagnetic spectrum
- 12. what every thing is made up of
- 14. the top of a wave
- 18. on earth we have 4 of them because of our 23.5o tilt
- 21. how much you are pulled down on a space object
- 24. when there was a big bang in the universe and that was how all of the stars and the solar system was made