Download solar system study guide

SOLAR SYSTEM STUDY GUIDE
The Sun
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The sun is composed of gases – helium and hydrogen
The sun is composed of layers – core, radiative zone, convective zone,
photosphere, chromosphere, corona
The corona is hotter than the surface of the sun
The sun is the closest star to us
The sun is the center of our solar system and provides light and energy
Why is the sun the largest star visible in the sky?
The Moon
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The moon orbits Earth
It takes about 28 days for the moon to revolve around Earth
It reflects the sun's light
Earth/Moon/Sun System
The Planets
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The planets in order from the sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn,
Uranus, Neptune
The planets that are composed of gases: Jupiter, Saturn, Uranus, Neptune
The planets that are composed of rock: Mercury, Venus, Earth, Mars
The inner planets are: Mercury, Venus, Earth, Mars
The outer planets are: Jupiter, Saturn, Uranus, Neptune
Why are the inner planets warmer than the outer plants?
Why are the outer planets cooler than the inner planets?