Question 1

Force that keeps the planets in motion around the Sun

Accepted Answer

gravity

Answer

magnetic field

Question 2

Helps to shield Earth's surface from harmful solar radiation

Accepted Answer

magnetic field

Answer

gravity

Question 3

The gravitational pull of the Moon and Sun on the surface waters of Earth cause...

Accepted Answer

tides

Answer

seasons

Answer

rotation

Answer

phases of the moon

Question 4

Cosmic snowballs of frozen gases and dust that orbit the Sun are called...

Accepted Answer

comets

Answer

asteroids

Answer

meteorites

Answer

meteoroids

Question 5

One complete revolution of the Earth takes about...

Accepted Answer

one year or 365 days

Answer

one day or 24 hours

Answer

one month or 29 days

Question 6

A lunar eclipse occurs when the...

Accepted Answer

Moon passes directly behind Earth and into its shadow

Answer

Moon passes between the Sun and Earth and blocks the Sun

Question 7

A solar eclipse occurs when the...

Accepted Answer

Moon passes between the Sun and Earth and blocks the Sun

Answer

Moon passes directly behind Earth and into its shadow

Question 8

The moon revolves around Earth about once every...

Accepted Answer

one month or 29 days

Answer

one year or 365 days

Answer

one day or 24 hours

Question 9

A meteoroid that has hit Earth's surface is called a...

Accepted Answer

meteorite

Answer

comet

Answer

meteor

Answer

asteroid

Question 10

Earth's rotation on its axis causes...

Accepted Answer

day and night

Answer

seasons

Answer

tides

Answer

phases of the moon

Question 11

Rocky worlds revolving around the Sun that are too small to be planets are called a...

Accepted Answer

asteroid

Answer

meteorite

Answer

meteor

Answer

comet

Question 12

Earth's atmosphere and liquid water make it...

Accepted Answer

a haven for life

Answer

difficult to live here

Question 13

What is caused by the moon's position relative to Earth and the Sun?

Accepted Answer

phases of the moon

Answer

day and night

Answer

tides

Answer

seasons

Question 14

Scientific evidence indicates that Earth is about...

Accepted Answer

4.5 billion years old

Answer

4.5 million years old

Answer

4,500 years old

Answer

450 years old

Question 15

The tilt of Earth on its axis causes our...

Accepted Answer

seasons

Answer

tides

Answer

day and night

Answer

gravity

Question 16

What is often called a shooting star as it enters Earth's atmosphere?

Accepted Answer

meteor

Answer

meteorite

Answer

meteoroid

Answer

asteroid

Question 17

The asteroid belt is located between...

Accepted Answer

Mars and Jupiter

Answer

Earth and Mars

Answer

Jupiter and Saturn

Answer

Venus and Earth

Question 18

Once complete rotation of the Earth takes about...

Accepted Answer

one day or 24 hours

Answer

one month or 29 days

Answer

one year or 365 days

Question 19

How many Earths could fit inside of the Sun?

Accepted Answer

1.3 million

Answer

1.3 billion

Answer

1.3 trillion

Answer

1.3 thousand

Question 20

Icy bodies in space that release gas or dust are called...

Accepted Answer

comets

Answer

asteroids

Answer

meteors

Answer

meteoroids

Question 21

A small rocky or metallic body in outer space that is smaller than an asteroid is called a...

Accepted Answer

meteoroid

Answer

meteor

Answer

comet

Answer

meteorite

Question 22

The spinning motion of a planet on its axis is called...

Accepted Answer

rotation

Answer

revolution

Question 23

The moon is about ________ the size of Earth.

Accepted Answer

4 times smaller than

Answer

2 times smaller than

Answer

10 times smaller than

Answer

8 times smaller than

Question 24

Tides are the result of the gravitational pull of the _________ on the surface waters of Earth.

Accepted Answer

Moon and Sun

Answer

Comets and Sun

Answer

Planets and Sun

Answer

Asteroid Belt and Sun

Question 25

The movement of one object around another is called...

Accepted Answer

revolution

Answer

rotation

Question 26

How many phases of the moon are there?

Accepted Answer

8

Answer

4

Answer

6

Answer

10

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