| A | B |
|---|
| orbit | when the earth spins around the sun |
| axis | what the earth rotates on |
| hemisphere | half of the earth, one is northern one is southern |
| equator | the line that divides the earth into two hempisheres |
| tropics | the area around the equator it is always summer time there |
| poles (on planet) | the earth has a north and south pole |
| equinox | when the seasons change from spring and autumn |
| gradual | a slow change |
| solstice | when the seasons change to summer and winter |
