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The Solar System

Total questions: 24

Worksheet time: 24mins

Name
Class
Date
1.

eight planets, including Earth, and many smaller objects that orbit the sun.

a)

The Solar System

b)

The Great Red Spot

c)

Pluto

2.

a giant high-pressure storm in Jupiter’s atmosphere.

a)

The Solar System

b)

The Great Red Spot

c)

Pluto

3.

A dwarf planet beyond Neptune

a)

The Solar System

b)

The Great Red Spot

c)

Pluto

4.

The closest planet to the Sun, the smallest planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

5.

The second planet from the Sun, similar to Earth in mass & size

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

6.

The third planet from the Sun, has an atmosphere that protects life and surface temperatures that allow water to exist as a solid, liquid, and gas.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

7.

The fourth planet from the Sun, red appearance.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

8.

The fifth planet from the Sun, largest planet, has storms of high-pressured gas.

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

9.

The sixth planet from the Sun, has a complex ring system

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

10.

The seventh planet from the Sun, blue-ish green color.

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

11.

The eighth planet from the Sun, also has a blue-ish green color.

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

12.

composed of dust and rock particles mixed with frozen water, methane, and ammonia.

a)

Comet

b)

Meteoroid

c)

Meteor

d)

Meteorite

e)

Asteroid

13.

Pieces of dust and rock

a)

Comet

b)

Meteoroid

c)

Meteor

d)

Meteorite

e)

Asteroid

14.

A meteoroid that burns up in Earth’s atmosphere

a)

Comet

b)

Meteoroid

c)

Meteor

d)

Meteorite

e)

Asteroid

15.

A meteoroid large enough to not burn up completely in the atmosphere and strikes Earth.

a)

Comet

b)

Meteoroid

c)

Meteor

d)

Meteorite

e)

Asteroid

16.

a piece of rock similar to the material that formed into planets.

a)

Comet

b)

Meteoroid

c)

Meteor

d)

Meteorite

e)

Asteroid

17.

Who proposed a Sun-centered solar system?

a)

Ptolemy

b)

Copernicus

c)

Kepler

d)

Oort

18.

What is the shape of planetary orbits?

a)

Circles

b)

Ellipses

c)

Squares

d)

Rectangles

19.

In what direction do comet tails point?

a)

Toward Earth

b)

Toward the Sun

c)

Away from the Sun

d)

Away from the Oort Cloud

20.

Which planet has abundant surface water and is known to have life?

a)

Mars

b)

Jupiter

c)

Neptune

d)

Earth

21.

What objects gravity holds the planets in orbit?

a)

Gaspra

b)

Earth

c)

Mercury

d)

The Sun

22.

Which planet will likely be visited by humans in the future?

a)

Mars

b)

Venus

c)

Jupiter

d)

Neptune

23.

Who discovered that planets have elliptical orbits?

a)

Galileo

b)

Kepler

c)

Copernicus

d)

Einstein

24.

Why do we think there might be life on Mars?

a)

The water at the poles

b)

The atmosphere

c)

The temperatures

d)

We've found little green martian men