Term
| Why does the Earth have seasons |
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Definition
| Due to it's axis being tilted |
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Term
| Earth's rotation (once around itself) takes |
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Definition
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Term
| One complete REVOLUTION of Earth around the sun takes about |
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Definition
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Term
| Scientists think the moon was formed when |
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Definition
| a large object struck Earth and ejected material from the collision combined. |
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Term
| Because the moon has the same rotation as REVOLUTION |
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Definition
| you never see the far side of the moon from Earth. |
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Term
| These two planets within our solar system do not have any moons |
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Definition
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Term
| The moon can be seen because |
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Definition
| it reflects the light of the sun |
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Term
| Only planet in our solar system that is known to have the combination of factors needed to support life |
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Definition
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Term
| List the correct order of the planets starting closest to the sun |
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Definition
| Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
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Term
| Venus is unique in the solar system because |
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Definition
| it has a retrograde rotation |
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Term
| Planet that has rings over 250 km in diameter |
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Definition
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Term
| Pluto is now classified as |
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Definition
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Term
| Inner planets have this in common |
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Definition
| they are all relatively small and have rocky surfaces |
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Term
| The asteroid belt is located between |
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Definition
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Term
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Definition
| the distance light travels in a year |
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Term
| Color of the COOLEST starts |
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Definition
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Term
| How long a star will lives depends on its |
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Definition
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Term
| The force that tends to pull together the matter in starts is |
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Definition
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Term
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Definition
| the explosion of a dying high mass star |
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Term
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Definition
| example of a spiral galaxy |
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Term
| Hydrogen and helium are the most abundant elemnts found in |
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Definition
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Term
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Definition
| planets that have deep, massive gas atmospheres |
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Term
| Stages our sun will go through in its life cycle |
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Definition
| Average Star, Red Giant, Planetary Nebula, White Dwarf |
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Term
| Be able to identify a solar eclipse in a picture |
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Definition
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Term
| When shown a picture be able to identify the phases of the moon |
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Definition
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Term
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Definition
| the distance from the Earth to the sun |
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Term
| If a star has a large parrallax relative to Earth this means |
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Definition
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Term
| When the Earth's axis is pointed towards the sun what season is this in the Northern Hemisphere |
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Definition
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Term
| Name three types of galaxies |
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Definition
irregular
spiral
elliptical |
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Term
| What is the date of the Northern Hemisphere's first day of winter? |
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Definition
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