solarsystem_ Word Scramble
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Question | Answer |
how old is the solar system? | 10-20 billion years |
A cluster of stars | galaxy |
What does the solar system include besides the sun? | planets, dwarf planets ,comets, and asteroids |
Do planets generate their own light ? | no |
What year did pluto become a dwarf planet? | 2006 |
Why arent the planets perfectly round? and what is the shape called? | the poles are flat ish, and they are called oblate spheroids |
What two planets dont have moons? | mercury and venus |
What is the sun/earth ratio? | the sun is 100 times bigger than the earth |
earths orbit is _____, or oval shaped | elliptical |
the moon is ____ the size of the earth | one fourth |
how foten does the moon orbit | 29.5 days |
the gravitational forces between the sun, earth , and moon influence what? | physical processes on earth |
what is an example of physical processes on earth caused by the gravitational forces between the sun, earth, and moon | rise and fall of ocean tides |
the tilt of the axis effects the amount of ___ | solar energy received in certain places |
what are the dates of the two solstices | dec. 21 and june 21 |
what does equinox mean | equal night |
what are the dates for an equinox | march 21 and september 22 |
___ % of the atmosphere is oxygen | 21% |
___ % is of the atmosphere is nydrogen | 71% |
___ is the key to life on earth | environment |
Created by:
brittney143
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