Term
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Definition
| occurs when the position of the sun is exactly over the equator. |
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Term
| What days does equinox occur on? |
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Definition
| March 21st & September 23 |
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Term
| Explain the difference between the winter and summer solstices. |
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Definition
| The winter solstice, is the shortest day of the year, when the Earth's North Pole is tilted farthest from the Sun. The summer Solstice is the longest day when the Earths north pole is tilted closest to the sun. |
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Term
| Mercury is the ______ planet from the Sun. |
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Definition
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Term
| Which of the following best describes the surface of Mercury? |
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Definition
| Barren and rocky with lots of craters |
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Term
| Around how big is Mercury's mass when compared to the mass of the Earth? |
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Definition
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Term
| Around how long is a day on Mercury? |
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Definition
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Term
| Mercury is the ______ planet in the Solar System. |
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Definition
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Term
| Why does Mercury have such extremes in temperature? |
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Definition
| Because it's day is so long, it has little atmosphere, it is so close to the Sun |
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Term
| Mercury was named after what Roman god or goddess? |
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Definition
| Roman messenger to the gods |
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Term
| Mercury is more similar to the Earth's Moon in size and surface than to planet Earth |
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Definition
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Term
| Why is it difficult to send space craft to Mercury? |
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Definition
| Because it is so close to the Sun |
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Term
| Venus is the ______ planet from the Sun |
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Definition
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Term
| What type of planet is Venus? |
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Definition
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Term
| Which of the following best describes the surface of Venus? |
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Definition
| Cloudy and hot with lots of volcanoes |
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Term
| Around how big is Venus' mass when compared to the mass of the Earth? |
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Definition
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Term
| Around how long is a day on Venus? |
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Definition
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Term
| True or False: Much of the surface of Venus is covered in water. |
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Definition
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Term
| Why is Venus the hottest planet in the Solar System? |
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Definition
| Because it has a thick atmosphere of mostly carbon dioxide |
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Term
| Venus was named after what Roman god or goddess? |
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Definition
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Term
| What planet is Venus most similar to in terms of mass, size, and gravity? |
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Definition
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Term
| Venus is the ______ planet in the Solar System |
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Definition
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Term
| Mars is the ______ planet from the Sun. |
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Definition
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Term
| Which of the following best describes the surface of Mars? |
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Definition
| Cold, rocky, and covered in red dust |
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Term
| Around how big is Mars' mass when compared to the mass of the Earth? |
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Definition
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Term
| Around how long is a day on Mars? |
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Definition
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Term
| Mars was named after what Roman god or goddess? |
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Definition
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Term
| Mars is the ______ planet in the Solar System. |
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Definition
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Term
| Where does the Moon get its light? |
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Definition
| By reflecting light from the Sun |
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Term
| How much of the Moon is continuously lit up? |
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Definition
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Term
| What is the phase of the Moon when 100% of the Moon is lit up? |
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Definition
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