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Planets & Gravity Review

Total questions: 32

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

The yearly orbit of Earth around the sun is called its _____________.

a)

Rotation

b)

Ellipse

c)

Tilt

d)

Revolution

2.

Earth’s rotation causes _____________.

a)

Lunar Eclipses

b)

Day and Night

c)

Winter Weather

d)

Summer Solstice

3.

Which of the following is illustrated by letter A?

a)

Orbit

b)

Revolution

c)

Rotation

d)

Moon

4.

Which of the following is illustrated by letter C?

a)

Orbit

b)

Revolution

c)

Rotation

d)

Moon

5.

As the distance between two objects increases, the gravitational attraction between the two objects _____________.

a)

Remains the same

b)

Increases

c)

Decreases

d)

Becomes zero

6.

The two main things that influence gravity are __________ and __________.

a)

mass and distance

b)

inertia and gravity

c)

Jupiter and Saturn

d)

size and weight

7.

Which of the following is the closest planet to the sun?

a)

Venus

b)

Mars

c)

Earth

d)

Mercury

8.

Which planet is the hottest due to the greenhouse effect?

a)

Mars

b)

Mercury

c)

Earth

d)

Venus

9.

Which planet's surface is 2/3rds water?

a)

earth

b)

Mars

c)

Mercury

d)

Venus

10.

The Grand Canyon of _________ is much larger than Earth's Grand Canyon.

a)

Venus

b)

Mars

c)

Jupiter

d)

Mercury

11.

What does the term "terrestrial" mean?

a)

Made of water

b)

Mars-like

c)

Gas planet

d)

Earth-like

12.

______ and Uranus are the two planets that rotate backwards on their axis.

a)

Mars

b)

Venus

c)

Earth

d)

Mercury

13.

This ice giant is very windy and takes 165 earth years to revolve around the sun.

a)

Saturn

b)

Neptune

c)

Uranus

d)

Jupiter

14.

Which planet has a Great Red Spot that is actually a 100 year old storm?

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

15.

Who discovered the majority of Jupiter's moons?

a)

Galileo

b)

Isaac Newton

c)

Albert Einstein

d)

Edwin Hubble

16.

__________ is the resistance of an object to change motion or direction.

a)

Gravity

b)

Inertia

c)

Floating

d)

Orbit

17.

Which of the following causes Uranus and Neptune to be blue?

a)

Methane

b)

Carbon dioxide

c)

Oxygen

d)

Helium

18.

This planet's axis is sideways and it rotates north to south.

a)

Uranus

b)

Neptune

c)

Jupiter

d)

Saturn

19.

This planet's density is so low that it would float in a bathtub (if there was one large enough!)

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

20.

Gravitational force is another name for gravity.

a)

True

b)

False

21.

Which model has greater gravitational attraction?

a)

Model A

b)

Model B

c)

Both Model A and Model B have the same amount of gravity

22.
As mass increases gravity __________.
a)
Decreases
b)
Increases
c)
Stays the same
23.
As distance increases, gravity __________.
a)
Decreases
b)
Increases
c)
Stays the same
24.

What keeps the planets in orbit around the sun?

a)

gravity

b)

friction

c)

density

d)

distance

25.

What characteristics of inner planets are correct?

a)

Terrestrial, Larger, few or no moons

b)

Gas, Smaller, few or no moons

c)

Gas, Larger, many moons

d)

Terrestrial, Smaller, few or no moons

26.

What does the term terrestrial mean?

a)

Made of Water

b)

Mars-Like

c)

Gas Planet

d)

Earth-Like

27.

Inner planets have _______ orbits and outer planets have ____________ orbits.

a)

Longer, shorter

b)

Shorter, longer

c)

Square, circular

d)

Elliptical, oval

28.

_________ is likely the first planet humans will colonize due to its proximity to Earth and favorable characteristics.

a)

Venus

b)

Saturn

c)

Jupiter

d)

Mars

29.

__________ is the largest planet in the solar system and has a constant storm on its surface.

a)

Neptune

b)

Uranus

c)

Saturn

d)

Jupiter

30.

Outer planets orbit the Sun _________than inner planets.

a)

smoother

b)

bumpier

c)

faster

d)

slower

31.

Which planet has a Great Red Spot that is actually a 100 year old storm?

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

32.

Which of the following is an example of a change in inertia?

a)

A rock on the ground

b)

A planet orbiting the sun

c)

A car driving on the highway that suddenly slams on the breaks

d)

A cup on a table