1. Astronomers Say There Are ______Planets in the Solar System. (Enter a Number.)

Name ______

Planets Quiz

1. Astronomers say there are ______planets in the Solar System. (Enter a number.)

2. All gas giants have rings.

a. Trueb. False

3. What is the order of the planets from the Sun?

a. Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus

b. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

c. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

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

4. What do the four outer planets have in common? (There are two answers to this question.)

a. They are made of gas.c. They are very warm.

b. They are made of rock.d. They have rings.

5. Around what do planets revolve?

a. Each otherc. A moon
b. A star or sund. A galaxy

6. Which planet is closest to Earth?

a. Marsc. Venus

b. Mercuryd. Ceres

7. Which planets can be seen without a telescope? (There are two answers to this question.)

a. Venusc. Neptune

b. Marsd. Uranus

8. What do the four inner planets have in common? (There are two answers to this question.)

a. They are made of gas.c. They are closer together.

b. They are made of rock.d. They have rings.

Planets Quiz – Key I

1. Astronomers say there are ______planets in the Solar System.(Enter a number.)

8

1. 8

2. All gas giants have rings.

a. Trueb. False

a. True

2. a (2 choices)

3. What is the order of the planets from the Sun?

a. Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus

b. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus

c. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

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

c. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

3. c

4. What do the four outer planets have in common? (There are two answers to this question.)

a. They are made of gas.c. They are very warm.

b. They are made of rock.d. They have rings.

a. They are made of gas, d. They have rings

4. a, d

5. Around what do planets revolve?

a. Each otherc. A moon
b. A star or sund. A galaxy

b. A star or sun

5. b

6. Which planet is closest to Earth?

a. Marsc. Venus

b. Mercuryd. Ceres

c. Venus

6. c

7. Which planets can be seen without a telescope? (There are two answers to this question.)

a. Venusc. Neptune

b. Marsd. Uranus

a. Venus, b. Mars

7. a, b

8. What do the four inner planets have in common? (There are two answers to this question.)

a. They are made of gas.c. They are closer together.

b. They are made of rock.d. They have rings.

b. They are made of rock; c. They are closer together.

8. b, c

Planets Quiz – Key II

1. 8

2. a (2 choices)

3. c

4. a, d

5. b

6. c

7. a, b

8. b, c

Planets Quiz

Scoring Guide

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