5.P.1.1 #3: Schoolnet

Two balls rolled down two identical inclined planes. The balls were exactly the same mass and size, but one ball rolled down the inclined plane faster. Identify a possible reason that one ball rolled faster than the other ball.

• One ball was red and the other ball was blue.

• One ball was new and the other ball was old.

• One ball was shiny and the other ball was dull.

• One ball was sticky and the other ball was smooth.

Tags

NGSS.MS-PS3-5

A group of students are investigating motion using a toy car, a ramp, and a milk carton. The students place an empty milk carton at the bottom of a ramp. Which diagram shows where on the ramp the students should release the car to push the

milk carton the farthest?

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The pull of gravity from Earth has the greatest effect on

• comets

• the Sun

• asteroids

• the Moon

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NGSS.MS-ESS1-1

Which is the BEST explanation of why the Moon revolves around Earth?

• The Moon has a thinner atmosphere than Earth.

• The Moon is too large to move away from Earth.

• The Moon is attracted by the gravity of Earth.

• The Moon has a smaller gravitational force than Earth.

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NGSS.MS-ESS1-2

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What keeps Earth in orbit around the Sun?

• the inertia of the Moon

• the location of Earth’s orbit

• the speed of Earth’s rotation

• the Sun’s gravitational pull

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NGSS.MS-ESS1-2

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Which is a force that keeps Earth in orbit around the Sun?

• friction

• gravity

• radiation

• magnetism

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NGSS.MS-ESS1-1

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A student ties a string around a weight and swings the weight in a circle around her body. If the student represents the Sun and the weight represents Earth, what does the string represent?

• gravity

• radiation

• electricity

• magnetism

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NGSS.MS-ESS1-1

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Why do planets stay in orbit around the Sun?

• attraction of gravity

• effect of inertia

• frictional force

• rotational force

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NGSS.MS-ESS1-2

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Juan and Angela roll toy cars on a sidewalk. What make the cars finally come to a stop?

• electricity

• friction

• inertia

• magnetism

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NGSS.3-PS2-1

Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which BEST explains what happened when the car reached the carpet?

• Inertia decreased.

• Gravity increased.

• Friction increased.

• Magnetism decreased.

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NGSS.3-PS2-1