Jouri and Marisol investigate gravity on a playground. Which of their observations shows that a ball has overcome the force of gravity?

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NGSS.MS-PS2-4

Jayceon investigates the force of gravity by dropping a pencil. What does the investigation show?

• Gravity can push objects down. Gravity does not have to touch objects to move them.

• Gravity can pull objects down. Gravity does not have to touch objects to move them.

• Gravity can push objects down. Gravity does have to touch objects to move them.

• Gravity can pull objects down. Gravity does have to touch objects to move them.

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NGSS.MS-PS2-4

Savannah and Ny'Asia work on a science poster. They cut up old magazines to find five images of objects that can overcome the force of gravity. Which object would require the greatest force to overcome Earth’s gravitational pull?

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Rakan and Taquelle are watching a nature show on television. They observe animals jumping or leaping into the air. Which animal must use the greatest force to lift off the ground?

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NGSS.MS-PS2-2

Judah and Hunter go to a basketball game. They notice times when a basketball does not have enough force to overcome Earth’s gravity. Which statement below shows the basketball NOT overcoming gravity?

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

BRAIN BREAK! Which character is the cutest?

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A airplane takes off from Sanford airport. How does the plane overcome the force of gravity?

• The force of the engine is greater than the force of gravity on the plane.

• The force of gravity on the plane is greater than the force of the engine.

• The force of the steam from the engine is greater than the force of gravity on the plane.

• The force of the air pushing on the plane is greater than the force of plane on the rocket.

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NGSS.MS-PS2-1

NGSS.MS-PS2-4

A student places a marker on top of a slanted desk. The marker rolls down the desk and falls off the edge. What force is acting on the marker to make it fall off the desk?

• friction

• magnetism

• gravity

• mass

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NGSS.MS-PS2-4

Judah tapes a basketball poster to his wall. What keeps the poster from falling to the floor?

• The force of the air on the poster opposes gravity.

• The force of friction on the poster opposes gravity.

• The force of the wall on the poster opposes gravity.

• The force of the tape on the poster opposes gravity.

Tags

NGSS.MS-PS2-2

Gravity ________ things down.

• pushes

• throws

• pulls

• brings

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NGSS.MS-PS2-4

NGSS.MS-PS2-5