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Earth's movements
| Question | Answer |
|---|---|
| summer solstice | 1st day of summer, longest day of the year |
| winter solstice | 1st day of winter, shortest day of the year |
| vernal equinox | 1st day of spring, earth receives 12 hours of day and night |
| autumnal equinox | 1st day of fall, earth receives 12 hours of day and night |
| What is earth's rotation? | earth spinning on its axis |
| How long does earth's rotation take? | It takes 23 hrs and 56 min or one day |
| What does earth's rotation cause? | It causes day and night |
| What is the earth's axis? | an imaginary line that runs from the north to south pole |
| What is earth's revoultion? | earth's orbit around the sun |
| How long does earth's revolution take? | It takes 365 and 1/4 day or one year. |
| What does earth's revolution cause? | It causes the change in the seasons |
| When does the summer solstice occur? | about June 21 |
| When does the winter solstice occur? | about Decemeber 21 |
| When does the vernal equniox occur? | about March 21 |
| When does the autumnal equinox occur? | about September 21 |