NGSS.MS-ESS1-2

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

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NGSS.MS-ESS1-2

What holds the planets in their orbits around the sun?

• gravity
• speed
• string
• air currents

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NGSS.MS-ESS1-2

Without gravity the moon would

• go around the Earth
• collide with Earth
• move in a straight line

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NGSS.MS-ESS1-2

If you increase the mass of the Sun slightly, what happens to the time it takes the Earth to complete one revolution?  (experiment #1)

• It decreases.
• It stays the same.
• It increases.

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NGSS.MS-ESS1-2

Without gravity, the stars, planets and all celestial objects in the universe would _?_.

• continue to orbit each other
• move in a random direction
• move in a straight line
• stop moving

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NGSS.MS-ESS1-2

The pull of the moon's _________ is the greatest effect on changing tides.

• erosion
• gravity
• craters
• claws of doom 

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NGSS.MS-ESS1-2

What force keeps the planets orbiting around the sun?

• Gravity
• Magnets
• Friction
• Light Energy

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NGSS.MS-ESS1-2

Gravity pulls everything toward...

• The ground
• The center of mass
• The moon
• The Sun

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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

What keeps the planets in orbit around the sun?

• gravity

• friction

• density

• distance

Tags

NGSS.MS-ESS1-2