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Astronomy
9th grade
| Question | Answer |
|---|---|
| Day and night are caused by | Earths rotation on its axis |
| One complete revolution of Earth around the sun | Takes about 1 year |
| Earth has seasons because | Earth's axis is tilted as it moves around the sun |
| When the north end of Earths axis is tilted toward the sun | North America will experience more direct rays, and the season of summer |
| The phase of the moon you see depends on | Where the moon is around Earth |
| for a solar eclipse to occur | The new moon must be directly between Earth and the sun |
| A lunar eclipse happens when | the |