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Earth's Place in the Universe

Total questions: 21

Worksheet time: 13mins

Name
Class
Date
1.

A _____ is a group of planets and their moons that orbit a central star.

a)

star

b)

solar system

c)

axis

d)

asteroids

2.

Venus is a _____ that revolves around the sun.

a)

Planet

b)

Comet

c)

star

d)

orbit

3.

An ______ is an imaginary line around which a planet rotates or spins.

a)

orbit

b)

phases

c)

axis

d)

satellite

4.

An object orbiting another object is a _____.

a)

satellite

b)

space probe

c)

inner planet

d)

outer planet

5.

The 4 planets nearest the sun are called the _______.

a)

solar systems

b)

asteroids

c)

outer planets

d)

inner planets

6.

A _______ is a rocky object that orbits the sun in a path between Mars and Jupiter.

a)

sun

b)

planet

c)

asteroid

d)

moon

7.

A _____ _____ is a vehicle sent into space in order to explore places too dangerous or too far away for people to visit.

a)

Space shuttle

b)

Space Probe

c)

telescope

d)

None of the above

8.

The path a planet takes around the sun is its _____.

a)

orbit

b)

axis

c)

phases

d)

star

9.

A ____ is a burning ball of gases.

a)

moon

b)

orbit

c)

star

d)

sun

10.

Neptune is one of the four ___ ______.

a)

space probes

b)

rotation

c)

revolutions

d)

gas giants.

11.

A _________ is an instrument used to observe different objects.

a)

telescope

b)

microphone

c)

telephone

d)

Magnifying glass

12.

A _____ is a space object made of ice, dust, and gases.

a)

moon

b)

star

c)

asteroid

d)

comet

13.

The five planets on the outer side of the asteroid belt are called the _____ _______.

a)

inner planets

b)

outer planets

c)

gas giants

d)

none of the above

14.

The moon seems to have different ______ or shapes, during a cycle of 28 days.

a)

revolution

b)

rotation

c)

phases

d)

orbit

15.

A year is the time it takes Earth to make one __________.

a)

trip

b)

revolution

c)

orbit

d)

bus ride

16.

A day is the time it takes the earth to make one ________.

a)

axis

b)

revolution

c)

rotation

d)

orbit

17.

The sun provides ____ of the energy to the solar system.

a)

most

b)

little

c)

some

d)

none

18.

An imaginary line runs through both poles of the planet is its ____.

a)

comet

b)

orbit

c)

star

d)

axis

19.

This type of telescope never has problems seeing through Earth's atmosphere. It uses lenses to enlarge an object.

a)

earth-based telescope

b)

reflecting telescope

c)

refracting telescope

d)

space-based telescope

20.

Trips that people take into space are callled______.

a)

Crewed missions

b)

uncrewed missions

c)

space probes

d)

observations

21.

Explain Why do you think some stars in constellations look brighter than others?

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