Quiz about MS-PS2-4 Gravitational Force

Question 1

What would you need to calculate the gravitational force between the Earth and the Moon?

Accepted Answer

distance between them and their masses

Answer

their weights and the time it takes for the Moon to orbit the Earth

Answer

the surface area of the Earth and the weight of the Moon

Question 2

Imagine you are holding a basketball and a tennis ball. The gravitational force exerted by these balls depends on their

Accepted Answer

mass

Answer

volume

Answer

weight

Question 3

John just got a new puppy and named it Max. He is curious to know about the mass of Max. What is he essentially trying to measure?

Accepted Answer

how much matter is present in Max

Answer

how much weight is present in Max

Answer

the amount Max compresses a spring on a scale

Answer

none of the answers are correct

Question 4

If a spaceship increases its mass by collecting space debris, the pull of gravity on it...

Accepted Answer

Increases

Answer

Decreases

Answer

Stays the same

Question 5

Why do we feel a stronger pull towards the ground than towards the Sun?

Accepted Answer

we are closer to the Earth's core

Answer

the Sun is much bigger

Answer

the Earth is much bigger

Answer

we are closer to the Sun's core

Question 6

Imagine you are holding two apples in your hands. What does the strength of gravity between these two apples depend upon?

Accepted Answer

The mass of the apples & the distance between them

Answer

The mass of the apples & their weight

Answer

The gravity of the earth & the inertia of the apples

Answer

The inertia & mass of the apples

Question 7

________ is what makes up all things in the universe, including the apple you just ate for lunch.

Accepted Answer

Mass

Answer

Weight

Question 8

Consider two planets, Earth and Mars. The gravitational force between them changes with the distance between the two planets.

Accepted Answer

True

Answer

False

Question 9

If a large planet like Jupiter and a smaller planet like Mars were placed next to each other, Jupiter would exert a greater gravitational force due to its larger mass.

Accepted Answer

True

Answer

False

Question 10

When an apple falls from a tree, it is because gravitational force always ____________.

Accepted Answer

pulls

Answer

pushes

Question 11

Imagine you are holding an apple and a book in your hands. The force that pulls them towards the ground is the ___________ between the objects and the Earth.

Accepted Answer

attraction

Answer

repulsion

Question 12

Imagine you are on a space mission. What does your weight measure in this context?

Accepted Answer

the gravitational pull of your body's mass.

Answer

how much mass your body contains.

Question 13

Imagine two planets, Planet A and Planet B. If Planet A has a _______ mass compared to Planet B, it will be pulled towards Planet B which has a ______ mass.

Accepted Answer

smaller, greater

Answer

greater, smaller

Question 14

Imagine you are playing with two magnets. What BEST describes what happens to the force of attraction if you move the magnets further apart from each other?

Accepted Answer

it decreases

Answer

it varies

Answer

it increases

Answer

it stays the same

Question 15

An astronaut is floating in space near a planet. He notices that he is slowly moving towards the planet. What force is causing this?

Accepted Answer

gravity

Answer

magnetic

Answer

friction

Answer

tension

Question 16

Consider the following statements about the gravitational force between two apples falling from a tree. Which of these is NOT true?

Accepted Answer

If the mass of both apples increase, the gravitational force between them weakens.

Answer

Gravity pulls the two apples toward each other.

Answer

If the distance between the apples increases, the gravitational force between them weakens.

Question 17

Neil Armstrong felt lighter on the moon than on earth because

Accepted Answer

a. moon's mass is less

Answer

b. moon's mass is more

Answer

c. moon's mass is equal to Earth

Answer

d. moon has no mass

Question 18

Imagine two planets, Mars and Jupiter. If they move farther away from each other, the _______ the gravitational force between them.

Accepted Answer

less

Answer

more

Answer

same

Answer

doesn't matter

Question 19

Imagine you are holding two apples in your hands. What does the strength of gravity between these two apples depend upon?

Accepted Answer

The mass of the apples & the distance between them

Answer

The mass of the apples & their weight

Answer

The gravity of the earth & the inertia of the apples

Answer

The inertia & mass of the apples

Question 20

Why can Neil Armstrong jump and float a little while he was on the Moon during the Apollo mission?

Accepted Answer

Because the Moon's gravity is NOT that STRONG.

Answer

Because the Moon's gravity is VERY STRONG.

Question 21

If Neil Armstrong were to jump on Earth and then on the Moon, where would he be able to jump higher?

Accepted Answer

Moon

Answer

Earth

Question 22

If you were to measure the amount of matter that makes up an apple, what would you be measuring?

Accepted Answer

You would be measuring how much MATTER makes up the apple.

Answer

You would be measuring how much GRAVITY is pulling the apple.

Question 23

If you were to step on a weighing scale, where would you weight more, on Earth or on the Moon?

Accepted Answer

Earth

Answer

Moon

Question 24

If you were to carry a 10kg bag, where would you feel the bag is heavier, on Earth or on the Moon?

Accepted Answer

The weight of the bag DOESN'T CHANGE

Answer

Earth

Answer

Moon

Answer

In both places.

Question 25

An apple falling from a tree is influenced by gravity because it has mass.

Accepted Answer

True

Answer

Sometimes

Answer

False

Answer

Never

Question 26

Imagine you are studying the planets in our solar system. What 2 factors would affect the force of gravity that you would feel if you were standing on the surface of one of these planets?

Accepted Answer

The planet's mass and your distance from the planet's center

Answer

The planet's mass and your inertia

Answer

Your distance from the planet's center and your inertia

Answer

The planet's mass and the force of gravity on the planet

Question 27

As the weight of the planets in a solar system increases, gravity.....

Accepted Answer

increases

Answer

decreases

Question 28

As the weight of apples on a tree decreases, gravity.....

Accepted Answer

decreases

Answer

increases

Question 29

As the distance of interacting objects increases, gravity.....

Accepted Answer

decreases

Answer

increases

Question 30

Imagine you are holding two objects, one light and one heavy. The heavier object has a greater pull of gravity on it. This means the ............. of the heavier object is greater.

Accepted Answer

weight

Answer

mass

Answer

gravity

Question 31

Imagine you are studying Einstein's Theory of Gravitation. According to this theory, what does it state?

Accepted Answer

The gravitational field is like a warping of space-time, similar to how a heavy ball placed on a stretched sheet of rubber would cause it to warp.

Answer

Gravitational fields have no effect on nearby objects, like a ball thrown in the air would not come back down.

Answer

Gravitational fields are a warping of space distance, like a rubber band being stretched.

Answer

Gravitational field is smoothing out of the space time continuum, like a wrinkle being ironed out of a shirt.

Question 32

Imagine you are an astronaut in space and you observe a star's mass contracting into an area so small and the gravitational force at the surface becoming so large that even light cannot escape the surface. What would you say the star has become?

Accepted Answer

a black hole

Answer

neutron star

Answer

a pulsar

Answer

a super Nova

Question 33

If you were to weigh a chunk of Earth and a chunk of the Moon of the same size, which would be heavier?

Accepted Answer

Chunk of Earth

Answer

Chunk of Moon

Answer

They weigh the same

Question 34

If an astronaut dropped a hammer on both the Earth and the Moon, where would the hammer fall with a STRONGER force of gravity?

Accepted Answer

Earth

Answer

Moon

Question 35

Imagine you are standing on a weighing scale on Earth and suddenly Earth's mass gets cut in half. What would happen to your weight?

Accepted Answer

It would decrease because the gravitational force decreases

Answer

It would increase because the gravitational force increases

Answer

It would decrease because the gravitational force increases

Answer

It would increase because the gravitational force decreases

Question 36

Imagine you are an astronaut in space. You see a star and wonder how far it is. You remember that a light year is...

Accepted Answer

The distance light can travel in a year in space

Answer

The speed at which light travels in space

Answer

The time it takes for light from the sun to reach you in space

Answer

The number of years it takes for light to be emitted from a star

Question 37

Imagine you are observing the night sky. Which best describes why you see the moon moving around the Earth, according to General Relativity?

Accepted Answer

The moon orbits because it moves around the curvature in spacetime created by the Earth's mass

Answer

The Earth's gravitational force pulls on the moon, causing it to orbit

Answer

The Earth's gravitational force pushes on the moon, causing it to orbit

MS-PS2-4 Gravitational Force

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