The Sun, Planets, And Moon

Front 1

revolution

Back 1

Movement of an object in an orbit around another object.

Front 2

Which planet:
is eighth from the sun
is pale blue in color
is a large, cold planet

Back 2

Neptune

Front 3

How many planets are in our solar system?

Back 3

nine

Front 4

Which planet:
is fourth from the sun
is called the red planet
has two moons

Back 4

Mars

Front 5

Tell the planets in our solar system in order.

Back 5

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto

Front 6

What are the 4 phases of the moon?

Back 6

New Moon
Cresent Moon
Half Moon
Full Moon

Front 7

What are the four seasons?

Back 7

winter, spring, summer, fall

Front 8

Which planet:
is third from the sun
has air
supports life

Back 8

Earth

Front 9

satellite

Back 9

an object that revolves around another object.

Front 10

The ___ is covered in rocks and dust.
a. moon b. planet c. sun

Back 10

moon

Front 11

The rise and fall of the ocean, mainly because of the moon's gravity.

Back 11

Tide

Front 12

The energy from the sun lights and warms the earth.

True or False

Back 12

True

Front 13

movement of an object in an orbit around another object.

Back 13

revolution

Front 14

Which planet:
is the fifth planet from the sun
is the biggest planet
is a large ball of gas

Back 14

Jupiter

Front 15

To spin on an axis.

Back 15

Rotation

Front 16

The ____ is full of craters, mountains and valleys.
a. moon b. planet c. sun

Back 16

moon

Front 17

The tilting of Earth's axis and its revolution around the sun causes ___.
a. the tides b. the seasons c. the weather

Back 17

the seasons

Front 18

_____ are cooler spots on the sun than the areas surrounding them.
a. bright spots b. sunspots

Back 18

sunspots

Front 19

How long does it take Earth to make one complete revolution around the sun?
a. one day b. one year

Back 19

one year

Front 20

____, also called flares, have a temperature hotter than the surface of the sun.
a. bright spots b. sunspots

Back 20

bright spots

Front 21

The path an object follows as it moves around another object.

Back 21

Orbit

Front 22

Which planet:
is the sixth planet from the sun
is a giant ball of gas
has 18 moons and many rings

Back 22

Saturn

Front 23

The sun, the planets and their moons, and other objects that move around the sun.

Back 23

solar system

Front 24

Earth moves around the moon.
True or False

Back 24

False. The moon moves around Earth.

Front 25

An object that revolves around another object.

Back 25

satellite

Front 26

There are ___ phases of the moon.
a. 2 b. 4 c. 6

Back 26

4

Front 27

An imaginary straight line through the center of Earth around which Earth rotates.

Back 27

Axis

Front 28

The ______ produces energy in its center.

a. moon b. planet c. sun

Back 28

sun

Front 29

How long does it take Earth to make one complete rotation around the sun?
a. one day b. one year

Back 29

one day

Front 30

solar system

Back 30

the sun, the planets and their moons, and other objects that move aorund the sun.

Front 31

Which planet:
is seventh from the sun
looks blue-green in color
lies on its side

Back 31

Uranus

Front 32

Axis

Back 32

An imaginary straight line through the center of Earth around which Earth rotates.

Front 33

Which planet:
is ninth from the sun
is the farthest planet from the sun
is the smallest planet in our solar system

Back 33

Pluto

Front 34

Orbit

Back 34

The path an object follows as it moves around another object.

Front 35

Which planet:
is closest to the sun
is very hot
is covered with craters

Back 35

Mercury

Front 36

Tide

Back 36

The rise and fall of the ocean, mainly because of the moon's gravity.

Front 37

Which planet:
is second planet from the sun
has no moons
has thick layers of clouds

Back 37

Venus

Front 38

Rotation

Back 38

to spin on an axis

Front 39

The pull of gravity from the moon controls the ocean tides.
True or False

Back 39

True

Front 40

How does a telescope help scientists?

Back 40

A telescope makes objects appear nearer, larger, and clearer.

Front 41

Spacecrafts take pictures of planets and their surfaces.
True or False

Back 41

True

Front 42

The moon produces its own light.
True or False

Back 42

False. The moon does not make its own light. The moon reflects the sun's light.

Front 43

You can see the whole moon during a New Moon.
True or False

Back 43

False. You cannot see any of the moon in the sky during a New Moon.

Front 44

Why is the moon a satellite?

Back 44

The moon is a satellite because it revolves around Earth.

Front 45

Which two planets only have one known moon?

Back 45

Earth and Pluto

Front 46

Which planet is believed to have the most moons?

Back 46

Saturn is believed to have the most moons. It has at least 18 moons.

Front 47

Which planets have no known moons?

Back 47

Mercury and Venus have no moons.

Front 48

The moon is larger than Earth.
True or False

Back 48

False. Earth is about 4 times bigger than the moon.