Space Review

The strength of the force of gravity between two objects depends on two factors:

• mass and weight

• weight and distance

• mass and distance

• force and motion

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What is the difference between mass and weight?

• Mass and weight are the same thing

• weight is the amount of matter in something and mass is gravity pulling down a weight to the planet

• Mass is the amount of matter in something and weight is gravity pulling a mass down to the planet

All objects are attracted to each other by the force of

• inertia

• gravity

• friction

• weight

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Gravity is a force that works over a

• land

• space

• air

• distance

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Does that gravity of the sun affect the Earth?

• yes, it keeps us in orbit

• No, it's too far away

• the sun has no gravity

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How long does one revolution of the Erath aound the Sun take?

• 1 month or about 30 days

• 1 year or 365 days

• about 3 months or 90 days

Whey do we see moon phases?

• the moon is always fully lit

• the moons light changes over the month

• how much of the lit side fo teh moon faces Earth

• the moon doesn't have phases

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What is an eclipse?

• When something in space moves into a shadow

• When something in space has no light from the sun

• When something in space moves out of a shadow

• When the sun temporarily turns off

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Why does the Earth have seaons?

• equator tilt

• axial tilt

• Rotation and revolution

• rotation and revolution

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When the tilt of the Earth causes the Northern Hemisphere to get mostly direct sunlight, what season is the Northern Hemisphere in?

• winter

• spring

• summer

• fall

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