NGSS.MS-ESS1-2

Tides are caused by ___________

• wind
• gravitational pull of moon
• waves gravitation toward land
• rain

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NGSS.MS-ESS1-2

Why do all of the planets orbit the sun rather than Earth?

• the sun has more mass

• the sun is a star

• the Earth is heavier

• the sun is in the middle of the milky way

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NGSS.MS-ESS1-2

The Milky Way Galaxy is most likely 

• an irregular galaxy
• a spiral galaxy
• an elliptical galaxy
• a nebula

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NGSS.MS-ESS1-2

A collection of stars, dust, and gas bound together by gravity is a - 

• Universe
• Solar System
• Planet
• Galaxy

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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

Theory or Law? Kepler's ______ of Planetary Motion: how planets orbit the sun. Shows what happens with planets.

• Theory

• Law

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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

Newton concluded that what 2 things combine to keep Earth in orbit around the sun and the moon in orbit around Earth?

• Gravity

• Inertia

• Tides

• Moons

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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

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NGSS.MS-ESS1-2