| A | B |
| blanket of air surrounding Earth | atmosphere |
| How far is the Earth f/ the Sun? | 93,000,000 miles |
| Photo means.... | light |
| Green plants use energy f/the sun to... | unite water and carbon dioxide |
| the process of photosynthesis forms- | sugar and oxygen in plants |
| The sun is a ..... | source of energy |
| The remains of plants and animals form... | coal,petroleum, and natural gas |
| The sun is composed of.... | hydrogen and helium gases |
| the gravitational pull of the sun | causes planets to orbit the sun |
| Energy from the sun releases.... | atomic energy which warms the earth |
| photosphere | surface layer of the sun |
| sunspots | dark spots on the surface (photosphere) |
| cooler than surrounding gasses | sunspots |
| surrounds photosphere/giant bursts of gas | chromosphere (sphere of color) |
| monochromator | device which blocks out all light ex. 1 color |
| corona | vapor blanket which surrounds chromosphere |
| visible only during a total eclipse | corona |
| invisible unless viewed with monochromator | chromosphere |
| 3 things the sun does for us | gives food, provides heat, source of energy |