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The Solar System. Module A Chapter 2 Grade 4. The Sun. Center of the universe Has the greatest mass Largest, brightest and hottest object in the solar system. Key Terms. Meteorites: chunks of rocks from outer space.
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The Solar System Module A Chapter 2 Grade 4
The Sun • Center of the universe • Has the greatest mass • Largest, brightest and hottest object in the solar system
Key Terms • Meteorites: chunks of rocks from outer space. • Meteors: chunks of rock that burn up brightly as they fall through the Earth’s atmospheres • Comets: icy balls of frozen gas and dust • Oort Cloud: clouds of comets
The Inner Planets • Mercury • Venus • Earth • Mars
Inner Planet It is an inner planet Because of how close it is to the sun The Earth is an inner planet Orbits around The sun
The Outer Planets • Jupiter • Saturn • Uranus • Neptune • Pluto
Review Questions • The rings of Saturn, are caused by _______ and ______ that spin around the equator of the planet. • snow and sleet? • Pickles and ice cream? • Dust and ice?
What causes Mars to appearreddish? • Rusty Iron • Red paint • clouds
What is a meteor? • A star that burns brightly • An inner planet • Chunks of rock that falls through the Earth’s atmosphere
Chunks of rock that burnbrightly as they fall through Earth’s atmosphere.
Which is the largest planet? • Earth • Jupiter • Mars
Chunks of rock from outer space that reach Earth’s surface are: • Neptune • Oort Cloud • Meteorites
Oort CloudJupiterPeanut Butter Comets called _______________ may surround the solar system.
Connecting Idea Inner Planets Outer Planets Jupiter Saturn Uranus Neptune Pluto Mercury Venus Earth Mars