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Solar System

Total questions: 34

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

This planet is very hot in the day and very cold in the night. In fact, it has the wildest extremes in temperature!

a)

Mercury

b)

Neptune

c)

Earth

d)

Jupiter

2.

What are large chunks of rocks and metal in space?

a)

Earth

b)

comet

c)

asteroids

d)

gibbous

3.

Which planet has the most gravity?

a)

Earth

b)

Mars

c)

Neptune

d)

Jupiter

4.

What factor causes one planet to have more gravity than other planets?

a)

The planet's mass

b)

The planet's volume

c)

The planet's distance from the sun

d)

The planet's atmosphere

5.

The hottest planet is... because...

a)

MERCURY, because it is closest to the sun

b)

EARTH, because it supports life

c)

MARS, because of its red pigment

d)

VENUS, because of its greenhouse effect

6.

Which planet takes the least time to go around the sun?

a)

Mercury

b)

Earth

c)

Mars

d)

Jupiter

7.

Which is the most massive object in our solar system?

a)

Sun

b)

Jupiter

c)

Earth

d)

Pluto

8.

What do we call a ball of ice and dust with a tail of gas and dust pointing away from the sun?

a)

Asteroid

b)

Comet

c)

Moon

d)

Meteor

9.

The gas giants are different from the terrestrial planets because they

a)

have fewer rings

b)

are more dense

c)

have larger atmospheres

d)

are less massive

10.
The inner planets are called terrestrial planets because they are composed of
a)
water
b)
gas
c)
frozen surfaces
d)
rocks
11.

One factor that makes life possible on Earth but not anywhere else in the solar system (that we've found) is

a)

atmosphere

b)

liquid water

c)

greenhouse effect

d)

gravity

12.

Which planet is tipped on its side nearly 90 degrees, causing the most extreme seasonal changes in the solar system?

a)

Jupiter

b)

Mars

c)

Uranus

d)

Earth

13.
Which planet has a giant red spot?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
14.
Which planet has very prominent rings?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
15.

What model of the solar system states the sun is the center?

a)

Geocentric Model

b)

Heliocentric model

c)

Biocentric modal

d)

Hydrocentric model

16.

What model of the solar system states the earth is the center?

a)

Geocentric Model

b)

Heliocentric model

c)

Biocentric modal

d)

Hydrocentric model

17.
What characteristics do Earth and Venus share? 
a)
They rotate in the same direction
b)
They are both similar size and density
c)
They have the same gases in their atmospheres
d)
They were born at the same time
18.
The four inner planets are...
a)
Rocky and small
b)
Very large and made of ice
c)
Small and made of ice
d)
Very large and made of gases
19.
The outer planets are...
a)
Rocky and small
b)
Very large and made of ice
c)
Small and made of ice
d)
Very large and made of gases
20.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
21.
Which object has the most gravity?
a)
Earth
b)
moon
c)
Jupiter
d)
sun
22.
Which planets have no natural satellites?
a)
Earth & Mars
b)
Jupiter & Saturn
c)
Mercury & Venus
d)
Mercury & Mars
23.
What pulled the matter towards the center of the nebula as the solar system was forming?
a)
inertia
b)
heat
c)
pressure
d)
gravity
24.
Which statement best describes a planetesimal?
a)
small body in space that revolves around a star
b)
a dwarf planet
c)
bodies in space that collide together to form planets
d)
moons
25.
How does the distance between two objects affect the force of gravity?
a)
The closer the two objects are the more gravitational force they have.
b)
The farther apart the two objects are the more gravitational force they have.
c)
The closer the two objects are the less gravitational force they have.
26.
The Sun is at the center of our solar system.  All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit? 
a)
Mercury
b)
Earth
c)
Saturn
d)
Neptune
27.
All planets have the following characteristics EXCEPT
a)
They rotate
b)
They revolve
c)
They have an atmosphere
d)
They have elliptical orbits
28.
Nuclear fusion happened in the center of a solar nebula because of...
a)
gravity and inertia
b)
heat and pressure
c)
distance and mass
d)
mass and heat
29.
If a planet had 2 moons and 1 moon was twice as far from the planet as the other moon, which moon would complete a revolution around the planet 1st?
a)
Moon A - closer to the planet
b)
Moon B - further from the planet
30.

Which of the following has an orbit cluttered with other objects?

a)

Asteroid

b)

Comet

c)

Moon

d)

Meteor

31.

Which of the following has the most elliptical orbit, spending far more of its time away from the sun than near it?

a)

Asteroid

b)

Comet

c)

Moon

d)

Meteor

32.

Which of the following is the only type of object in our solar system that orbits a planet, instead of the sun?

a)

Asteroid

b)

Comet

c)

Moon

d)

Meteor

33.

For what reasons did heliocentrism replace geocentrism? (Select all that apply.)

a)

It explained and predicted planetary motions better.

b)

Galileo's telescope showed that Jupiter had moons.

c)

The sun appears to move across Earth's sky, causing day and night.

d)

Newton's law of gravity put the sun (most mass) at the center.

34.

A person would weigh more on Jupiter than on Earth because...

a)

Jupiter has more mass, causing less gravity

b)

Jupiter has more mass, causing more gravity

c)

Jupiter has less mass, causing less gravity

d)

Jupiter has less mass, causing more gravity