PS3 7.5 Reading Quiz

What is the main force that makes the planets move around the sun?

• Magnetism

• Gravity

• Friction

• Electricity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Why can't we measure the gravitational force between small objects like a school bag and sneakers?

• It is too weak to be felt

• It is too strong to measure

• It is constantly changing

• It is only present in space

Tags

NGSS.MS-PS2-5

What shape does the orbit of a planet around the sun typically take?

• Circle

• Square

• Ellipse

• Triangle

Tags

NGSS.MS-ESS1-1

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According to Newton's first law of motion, what happens to an object if no unbalanced forces act on it?

• It changes direction

• It remains at rest or moves at a constant speed in a straight line

• It speeds up

• It slows down

What role does the gravitational force from the sun play in a planet's motion?

• It pulls the planet directly towards the sun

• It pushes the planet away from the sun

• It pulls the planet sideways, changing its direction

• It has no effect on the planet's motion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What happens to a planet's speed when it is in position A, according to the diagram?

• It speeds up

• It remains constant

• It slows down

• It stops

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NGSS.MS-ESS1-2

How does the gravitational force affect a planet's speed as it orbits the sun?

• It keeps the speed constant

• It only speeds up the planet

• It only slows down the planet

• It causes the planet to speed up and slow down

Tags

NGSS.MS-ESS1-2

What is Newton's third law of motion as it relates to the gravitational forces between the sun and the planets?

• The sun's gravity only pulls on the planets.

• The planets' gravity only pulls on the sun.

• The sun and the planets do not affect each other.

• The sun's gravity pulls on the planets, and the planets' gravity also pulls on the sun.

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NGSS.MS-ESS1-2

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How was Neptune discovered according to the text?

• By using a telescope to directly observe it.

• By predicting its existence using a mathematical model.

• By sending a spacecraft to find it.

• By observing its reflection in another planet.

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NGSS.HS-ESS1-4

What was the main reason astronomers believed there was another planet affecting Uranus's orbit?

• Uranus was moving faster than expected.

• Uranus was moving slower than expected.

• Uranus's orbit was not matching their predictions.

• Uranus was changing color.

Tags

NGSS.MS-PS2-4

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