Earth's Rotation and Revolution Concepts

What does the word Orbit mean?

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

• the amount of time that it takes for a planet to complete its orbit around the sun.

• a huge ball of gases that makes its own heat and light

• a natural object that revolves around a planet

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Why does the moon change phases?

• It has seasons that change

• Our perspective of the moon changes so it reflects light from the sun differently.

• The Moon phases in and out of existence throughout the time of a month.

• The moon does not change phases, it looks the same every night.

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Why does the moon appear bright, even though it does not make light of its own?

• It reflects light from the Sun.

• It has many volcanoes.

• It absorbs light from Earth.

• It reflects light from planets.

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How long does it take the Earth to orbit the Sun?

• About 30 days

• About 365 days

• About 66 days

• About 314 days

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The moon's orbit causes which of the following changes on Earth?

• night and day

• eclipses and erosion

• tides and moon phases

• seasons and tides

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It takes (a)   hours for earth to do a complete spin on the axis

As Earth completes its revolution it orbits the (a)  

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The sun appears to rise in the ________ and set in the __________.

(a)  

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What causes Earth's day and night pattern?

• Earth’s revolution around the Sun

• the Moon’s revolution around Earth

• Earth’s rotation on its axis

• the Moon’s rotation on its axis

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Which motion causes Earth to experience a year?

• the Earth's revolution around the Sun

• the Sun's revolution around Earth

• the rotation of Earth on its axis

• the rotation of the Sun on its axis

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