What does Gravity do?

Quiz by Destiny Wilmes

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13 questions
• Q1

In which direction does Earth's gravity pull?

toward Earth's center

toward the North Pole

toward the sun

toward the tallest mountain

120s
• Q2

The force of gravity between two objects increases as they are

moved closer together

cooled

heated

120s
• Q3

The sun's gravity is ______________ Earth's because the sun is _________________ than Earth.

stronger than; smaller

weaker than; bigger

stronger than; bigger

weaker than; smaller

120s
• Q4

The moon's gravity is weaker than Earth's. If you went to the moon, you would

shrink and become smaller

weigh less than you do on Earth

float off into space

not jump as high as you do on Earth

120s
• Q5

How does the sun's gravity affect Earth?

it causes objects to fall to Earth's surface

it holds Earth in its orbit

it causes the moon to rotate around Earth

it causes objects on Earth to have weight

120s
• Q6

Ella wants to test the effects of gravity on different objects. She decides to test the effects of gravity on objects that have different weights. She chooses a paper crane, a golf ball, and a large book. She then drops them from the same height. How is gravity likely to affect each of these objects?

all the objects will fall "down" because they are pulled by gravity

the golf ball and the large book will fall to the ground, but the paper crane will float

all the objects will fall in the exact same location because gravity pulls everything to the exact same place

the objects will all fall in different places because gravity affects objects of different weights in different ways

120s
• Q7

Which statement best describes how gravity is affecting the people in the photo?

the force of gravity on the family is strong because they are holding hands

the force of gravity on the family is weak because they are near the water

the force of gravity on the family is strong because they are near sea level

the force of gravity on the family is weak because they are jumping into the air

120s
• Q8

Rita's brother, Paolo, thinks the sun is in orbit around Earth because the sun looks smaller than Earth from where they are standing. What model could Rita use to help explain the Paolo that the sun is not in orbit around Earth?

all the planets in our solar system, including Earth, are in orbit around the sun

all the planets in our solar system, including Earth, are in orbit around the nearest moon

all the planets and moons in our solar system are in orbit around the sun

objects in space cannot be in orbit around Earth because it is too small compared to the sun

120s
• Q9

You're in a rocket ship on your way to the moon! Because it can get lonely out in space, you are allowed to bring your pet dog, Sirius. To make sure Sirius stays healthy, you weighted him before you left. Now that you are on the moon, you decide to weigh him again.

How might you expect Sirius's weight to have changed?

Sirius would weigh the same because weight is not affected by gravity

Sirius would weigh less because gravity is weaker on the moon than it is on Earth

Sirius would weigh more because gravity is stronger on the moon than it is on Earth

Sirius would weigh the same as you because everything has the same weight on the moon

120s
• Q10

Tanya is standing in her home in Poland when she drops a book. She notices that whenever she drops something, it falls to the floor. She knows that whatever she drops falls "down". Then, she thinks to herself that whatever is on the other sid eof Earth must fall "up" into space.

Which of the following statements would best help Tanya understand why anything on the other side does not fall "up"?

all objects on Earth fall "down" but Earth prevents them from traveling any farther

all objects on Earth fall in the same direction because gravity only has one direction

all objects on Earth fall "down" no matter their location because gravity pulls them towards the center of Earth

all objects on Earth are pushed to the surface of Earth by outside gravitational forces, so objects cannot fall "up"

120s
• Q11

Erick is heading out on a camping trip with his family to the Anza-Borrego Desert. At night time, the stars light up the sky. Erick sees a bright streak across the sky. His dad says "There's a shooting star! Make a wish!" As he makes a wish, Erick also thinks about the roll gravity plays in his ability to see a shooting star.

Based on the photo, describe the interaction between Earth and the meteoroid.

the meteoroid is much smaller than Earth, so Earth's gravity pulls it down

the meteoroid is too large and traveling too fast to be affected by Earth's gravity

the meteoroid is the same size as Earth, so Earth's gravity does not affect it

the meteoroid is small relative to Earth, so Earth's gravity keeps it in orbit

120s
• Q12

How can Erick explain the difference between a meteoroid and a shooting star to his father?

shooting stars are not affected by Earth's gravity, but meteoroids are

shooting stars are not visible from Earth because Earth's gravity  does not affect other large objects in space

"shooting star" is a term used to describe the streak of light, that follows rocks, or meteoroids, pulled by Earth's gravity

shooting stars are only affected by the moon's gravity, whereas meteoroids are affected by Earth's gravity

120s
• Q13

After Erick's camping trip, his parents give me a meteorite as a gift. Erick designs an experiment that tests the meteorite's weight in different locations: his home, the top of the hill, and close to shore. What is Erick likely to discover about the meteorite's weight?

it will likely weigh the same in all locations

it will likely weigh much more at sea level than on the top of the hill

it will likely weigh slightly more at home than at the other locations

it will likely weigh much more at the top of the hill than all other locations

120s

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