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Earth relationship S
The Earth in Space
| Question | Answer |
|---|---|
| What is the shape of Earth's orbit? | oval |
| What is the term used to describe how the Earth travels around the sun? | orbit |
| What is revolution? | One complete orbit of the Earth around the sun |
| How long does it take for Earth to complete one revolution? | 365 1/4 days = 1 year |
| What is rotation? | Spinning motion of Earth |
| How long does it take for Earth to complete one entire rotation? | 24 hours = 1 day |
| What does the Earth spin on? | Axis |
| What causes the Earth to face the sun for varying amounts of time? | Earth's tilt (angle) |
| What does the tilted orbit cause? | changes in temperature |
| When it is summer in the Northern Hemisphere what season is it in the Southern Hempishere? | winter |
| What does the sun provide the Earth? | heat and light |
| Which coast in North America receives the day light first? | East coast |
| Australia lies in the Southern Hemisphere. What is the season in Australia when it is winter in the United States? | summer |
| What factors cause changes in temperatures during the seasons? | the Earth's tilt and orbit |
| Why is the climate in the polar regions very cold? | no direct sunlight |
| When does the sun shine directly over the Tropic of Cancer in the Northern Hemisphere? | spring equinox |