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Space Unit Test Review

Total questions: 31

Worksheet time: 15mins

Name
Class
Date
1.

A space object made of ice, with a gas and dust tail

a)

Asteroid

b)

Comet

c)

Meteroid

d)

Meteor

2.

The energy from the sun is created by a process called:

a)

nuclear core

b)

nuclear fusion

c)

fate

3.
The moon appears to change shape because of _____.
a)
the Moon's revolution around Earth
b)
the seasons of the year
c)
the movement of stars in they sky
d)
Earth's rotation on its axis
4.
Why do planets orbit the sun (and not float around in space)?
a)
the moons are keeping them in place
b)
They were hit by an asteroid
c)
they were hit by a comet
d)
the sun's gravity keeps them in place
5.
One of the main differences between the outer and inner planets is __________.
a)
The inner planets all have water
b)
the inner planets are much bigger than the outer planets
c)
the outer planets are gas planets
d)
the inner planets have rings, and the outer planets don't
6.
When a meteor hits Earth, what is it called?
a)
meteorite
b)
meteroid
c)
meteor
7.

Which of the following describes a Meteor?

a)

Found between Mars and Jupiter

b)

Orbit the sun like a planet

c)

Have an elliptical orbit of the sun

d)

Most burn up as they enter the atmosphere

8.

Which of the following does a space suit provide protection against?

a)

Extreme temperatures

b)

Muscle loss

c)

Bone loss

d)

Excessive oxygen

9.
What was the first artificial satellite launched into space?
a)
Apollo 11
b)
Sputnik 1
c)
Apollo 13
d)
Columbia
10.

As a comet approaches the sun, solar wind shapes the comets tail -

a)

Toward the sun

b)

away from the sun

11.
A small space rock that makes it into Earth’s surface without burning up is called a ...
a)
Meteor
b)
Meteoroid
c)
Asteroid
d)
Meteorite
12.
Where does fusion normally occur?
a)
In Earth's core
b)
The Sun
c)
Comet's tail
d)
The Moon
13.
Which two factors determine the gravitational force between two objects?
a)
Time and temperature
b)
Color and Hardness
c)
Mass and Distance apart
d)
Shape and orbital speed
14.
Why does a comet's tail point away from the Sun?
a)
The comet is heading towards Earth
b)
Solar winds are blowing it away from the Sun
c)
Black hole is pulling it closer
d)
Heading to Mars
15.

When astronauts are in space for long periods of time, what happens to their bones and muscles?

a)

They become stronger

b)

They become more dense

c)

They atrophy

d)

They become harder

16.

If scientists wanted to study an unknown planet, what type of equipment should they use first?

a)

Space shuttle with crew

b)

A flyby satellite with probe

c)

A rover to explore

d)

Astronauts from the ISS

17.

What best explains Earth's motion?

a)

Earth moves in an elliptical motion around the Sun

b)

No forces act on the planet

c)

The sun moves in orbit around Earth

d)

The gravitational forces are equal between Earth and the Sun

18.

What is a natural satellite?

a)

Natural satellites orbit planets

b)

Planets orbit natural satellites

c)

Natural satellites all have life on them

d)

Natural satellites are all larger than planets

19.

Why would mars be a good place to further explore?

a)

Water has been found there

b)

Its in another galaxy

c)

The temperatures are much hotter than on Earth

d)

Its a gas giant

20.
The moon is a natural  ______ of Earth.
a)
comet
b)
axis
c)
satellite
d)
space probe
21.

I photographed pictures of Jupiter's Great Red Spot and sent them back to NASA on Earth. What am I?

a)

Space Shuttle

b)

A Natural Satellite

c)

Rocket

d)

Space Probe

22.

How does our moon, a natural satellite stay in orbit?

a)

The gravitational pull from the sun

b)

The gravitational pull from space

c)

The gravitational pull from Venus

d)

The gravitational pull from Earth

23.
The telescope in space that takes pictures of stars, galaxies, and other objects in space
a)
James Webb telescope
b)
Hubble Space telescope
c)
John's Reflecting telescope
d)
Simmons Refracting telescope
24.
An object that is sent into space on a mission to explore planets and the solar system and relays information back to Earth
a)
Satellite
b)
Space ship
c)
Space probe
d)
Space shuttle
25.
Which causes the day-and-night cycle on earth?
a)
Earth moving around the sun
b)
The sun moving around the Earth
c)
Earth tilting on its axis
d)
Earth spinning on its axis
26.
What galaxy do we live in?
a)
Black Hole
b)
Milky Way
c)
Milk Dud
d)
Three Musketeers 
27.
Where is the asteroid belt located?
a)
Beyond the outer planets.
b)
Between outer and inner planets.
c)
Between Mercury and Venus.
d)
Near a black hole.
28.
Two factors effecting the magnitude of force of gravity between 2 objects are...
a)
weight and mass 
b)
distance and weight 
c)
mass and matter 
d)
mass and distance 
29.
A person would weigh less on the moon than on the Earth because...
a)
the moon has less mass, and therefore less gravity
b)
the moon has more mass, and therefore less gravity
c)
the moon has less mass, and therefore more gravity
d)
the moon has more mass, and therefor more gravity
30.
Why don’t astronauts’ muscles and bones stay strong while in space?
a)
They do not have enough food to eat.
b)
There is no weight to put pressure on their muscles and bones.
c)
They are not able to exercise in space.
d)
They do not have muscles in space.
31.
First artificial satellite launched into space
a)
Laika
b)
Sergei
c)
Sigmund
d)
Sputnik

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