science review

7. enormous group of stars
8. extremely large areas of land.
9. water cycle: water in the clouds becomes rain, rain falls on the land
10. closest star to earth
11. water cycle: rainwater form rivers, lakes and groundwater. water goes back into the sea

1. water cycle : the water vapor changes into drops of water. the drops form clouds. the clouds move.
2. layer of air that surrounds earth, has gases, absorbs heat and protect us from the sun's rays.
3. water cycle :the sun heats liquid water, the becomes water vapor and rises into the air.
4. part of the plan that absorb water and minerals and stores the food
5. this part of the plant makes the seeds for the plant
6. Earth's satellite.
10. this part of the plant supports the plant
12. this part of the plant makes the food for the plant and realizes oxygen