Solar System Scope Summative Review

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34 Terms

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Solar System

the Sun and the planets and other objects that orbit the Sun

<p>the Sun and the planets and other objects that orbit the Sun</p>
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Planet

a large body in space that orbits a star and does not produce light on its own

<p>a large body in space that orbits a star and does not produce light on its own</p>
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Orbit

a path of an object as it circles around another object in outer space

<p>a path of an object as it circles around another object in outer space</p>
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Gravity

a natural force that pulls two objects toward one another

<p>a natural force that pulls two objects toward one another</p>
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Moon

a natural object that revolves around a planet

<p>a natural object that revolves around a planet</p>
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Earth

the only planet in the solar system on which life is known to exist

<p>the only planet in the solar system on which life is known to exist</p>
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Asteroid

a rocky object that orbits the Sun, found mostly in the region between Mars and Jupiter

<p>a rocky object that orbits the Sun, found mostly in the region between Mars and Jupiter</p>
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Sun

Our Solar System's star that is made of hydrogen and helium gases, and supplies the heat and light that sustains life on Earth

<p>Our Solar System's star that is made of hydrogen and helium gases, and supplies the heat and light that sustains life on Earth</p>
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Revolve

the movement of an object around another object. The earth revolves around the sun.

<p>the movement of an object around another object. The earth revolves around the sun.</p>
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Rotation

when an object spins on its axis

<p>when an object spins on its axis</p>
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Star

A huge ball of gases that makes its own heat and light

<p>A huge ball of gases that makes its own heat and light</p>
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it's close to earth

The Sun appears to be the brightest and largest star because...

<p>The Sun appears to be the brightest and largest star because...</p>
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Mercury

the 1st planet in our solar system, the fastest planet, and the smallest planet

<p>the 1st planet in our solar system, the fastest planet, and the smallest planet</p>
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Venus

the 2nd planet, the hottest planet, and the planet that is closest to earth.

<p>the 2nd planet, the hottest planet, and the planet that is closest to earth.</p>
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Mars

the 4th planet from the sun, known as the red planet

<p>the 4th planet from the sun, known as the red planet</p>
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Jupiter

the 5th planet from the sun, the largest planet

<p>the 5th planet from the sun, the largest planet</p>
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Saturn

the 6th planet from the sun

<p>the 6th planet from the sun</p>
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Uranus

the 7th planet from the sun

<p>the 7th planet from the sun</p>
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Neptune

the 8th planet from the sun

<p>the 8th planet from the sun</p>
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The Moon

not a planet but it orbits our earth

<p>not a planet but it orbits our earth</p>
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Earth

the 3rd planet from the sun, only planet that supports life

<p>the 3rd planet from the sun, only planet that supports life</p>
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It's the closest to the Sun.

Mercury

<p>Mercury</p>
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Gas Giants

Planets in the order part of the solar system made up of mostly gas, includes, Jupiter, Saturn, Neptune, and Uranus

<p>Planets in the order part of the solar system made up of mostly gas, includes, Jupiter, Saturn, Neptune, and Uranus</p>
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Terrestrial planets

The inner planets of our solar system that are made up of mostly rock and metals, include Mercury, Venus, Earth, and Mars

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Inner Planets

Closest to the Sun; Spaced relatively close together; Small; Rocky; No rings

<p>Closest to the Sun; Spaced relatively close together; Small; Rocky; No rings</p>
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Outer Planets

Farthest from the Sun; Spaced extremely far apart; Very large; Made of gases; All have rings

<p>Farthest from the Sun; Spaced extremely far apart; Very large; Made of gases; All have rings</p>
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These factors determine the strength of gravitational pull between two objects.

Size (mass) and distance

<p>Size (mass) and distance</p>
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Elliptical

Round, but not perfectly circular; the shape of each planet's orbit around the Sun

<p>Round, but not perfectly circular; the shape of each planet's orbit around the Sun</p>
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<p>Asteroid Belt</p>

Asteroid Belt

Located between Mars and Jupiter, contains numerous rocky/metallic objects

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Gravity will __________ if mass increases.

Increase

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Gravity will ____________ if mass decreases.

Decrease

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Gravity will ___________ if distance increases.

Decrease

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Gravity will ____________ if distance decreases.

Increase

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<p>Kuiper Belt</p>

Kuiper Belt

Located beyond Neptune, contains a variety of frozen rocky/metallic objects, as well as numerous dwarf planets