Across
- 3. - one thing that contributes to causing an event
- 10. - the relative size of things
- 11. moon - a moon phase that a like a full circle from earth
- 12. - the border between light and dark on the moon
- 13. - the amount of time it takes for a planet to complete one orbit around a star or stars
- 14. moon - a moon phase where the moon is not visible from earth
- 16. - the movement of air in a particular direction
- 17. - to move one object to another one
- 19. - the ability to make things move or change
- 20. - the layer of the atmosphere closest to the sun
Down
- 1. - rain, snow, or hail that falls from the clouds onto the ground
- 2. moon - a moon phase that looks like less than a half circle from earth
- 4. - the mixture of gasses surrounding a planet
- 5. vapor - water as gas
- 6. - to shine a light on an object
- 7. - A measure of how hot or cold something is
- 8. is the scientific study of weather
- 9. liquid water droplets suspended in the air
- 15. - conditions such as rain
- 18. - a rocky sphere that travels around a planet