Question 1

Earth's moon is..

Accepted Answer

always closer to the Earth than the Sun

Answer

sometimes closer to the Earth than the sun.

Answer

always closer to the Sun than the Earth

Answer

the same distance from the Earth to the Sun.

Question 2

What shape does everything with gravity end up?

Accepted Answer

Sphere

Answer

Oval

Answer

Square

Answer

Octagon

Question 3

Objects in the solar system maintain a predictable orbit because of

Accepted Answer

An gravitational attraction from a very large mass and inertia

Answer

A moving object's inertia

Answer

A gravitational attraction from a very large mass.

Answer

Gravity from the closest mass

Question 4

In our solar system, gravity governs the motion of

Accepted Answer

Planets, moons, asteroids, and comets

Answer

Planets, moons, and stars

Answer

Sun, moon, stars, and planets

Answer

Very small objects

Question 5

If planets X, Y, and Z are the same diameter, where would you weigh more?

Planet	Mass
X	5
Y	25
Z	75

Accepted Answer

Planet Z because more mass means greater gravity.

Answer

Planet Y because more mass means less gravity.

Answer

Planet X because less mass means greater gravity.

Answer

Planet Z because more mass means less gravity.

Question 6

Why are people, animals and almost all objects attracted to the Earth?

Accepted Answer

Because the Earth is bigger than people, animals and objects on the Earth’s surface, they are attracted to the Earth through gravity

Answer

It is where they were born or created so they have an attraction to remain in a place that is familiar to them

Answer

Because the moon has a smaller gravitational pull, people and animals would float away so they choose Earth instead

Answer

Because people and animals need oxygen, the Earth is the only source to get that oxygen to they are attracted to the Earth in order to find oxygen

Question 7

___ is the measure of the force of gravity on an object

Accepted Answer

weight

Answer

equation

Answer

density

Answer

mass

Question 8

The strength of the force of gravity depends on

Accepted Answer

the masses of the objects and the distance between them

Answer

the masses of the objects and their speeds

Answer

the weight of the objects and their speeds

Answer

the masses of the objects and their weights

Question 9

It is the measure of how much matter an object has. What is it?

Accepted Answer

mass

Answer

speed

Answer

gravity

Answer

weight

Question 10

Everywhere in the universe an object's ____ is the same.

Accepted Answer

mass

Answer

friction

Answer

weight

Answer

gravity

Question 11

An astronaut will feel less gravitational pull on the Moon than on Earth. Therefore…

Accepted Answer

an astronaut can jump much further on the Moon

Answer

an astronaut will feel very heavy on the Moon and be unable to jump

Answer

an astronaut cannot jump anywhere because the suit is too heavy

Answer

an astronaut will jump the same distance on the Moon as on Earth

Question 12

Your weight depends on _______.

Accepted Answer

all of the answers

Answer

your mass

Answer

your distance to the center of the earth

Answer

the earth's mass

Question 13

What force keeps the planets in their orbits?

Accepted Answer

The sun's gravity

Answer

The planets gravity

Answer

The sun

Question 14

Is Gravity larger / the same or smaller the further from the sun you are

Accepted Answer

Smaller

Answer

The same

Answer

Larger

Question 15

An object on the moon would

Accepted Answer

weigh less than on the Earth

Answer

weigh more than on the Earth

Answer

weigh the same as on the Earth

Answer

weigh more than any other object on Earth

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