NGSS.MS-ESS1-2

What causes tides?

• gravity
• wind
• spring
• neap

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NGSS.MS-ESS1-2

The Milky Way Galaxy is a 

• spiral
• lenticular
• elliptical 
• irregular

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NGSS.MS-ESS1-2

This FORCE pulls things.  It PULLS things into orbit around the sun. 

• Newton
• gravity
• weight
• path

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NGSS.MS-ESS1-2

The stars and all the other matter in a galaxy are held together by which of the following?

• Dark Matter
• Inertia
• gravity
• magnetism

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NGSS.MS-ESS1-2

A system of stars, gas, dust, and dark matter bound together by gravity is called ---

• an asteroid
• a nebula
• a galaxy
• a moon

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NGSS.MS-ESS1-2

Which BEST describes what keeps the Moon orbiting around Earth?

• speed

• gravity

• weight

• friction

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NGSS.MS-ESS1-2

Tides are caused by what force from the sun and moon?

• gravitational

• strong

• tidal force

• armed forces

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NGSS.MS-ESS1-2

What keeps the planets in orbit around the sun?

• gravity

• friction

• density

• distance

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NGSS.MS-ESS1-2

__________holds all of the planets in orbit around the sun.

• Force
• Motion
• Weight
• Gravity

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NGSS.MS-ESS1-2

Holds the Earth and other planets in orbit around the Sun.

• The Sun's gravitational force

• The moon's gravitational force

• The Earth's gravitational force

• The lack of gravitational force

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NGSS.MS-ESS1-2