WorksheetsSpace Unit Review
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
For what reason can we see the moon at different places in the sky?
a)
Moon always produces light
b)
Moon's distance from Earth changes
c)
Moon's axis is tilted
d)
Moon revolves around Earth
2.
What is a comet?
a)
Composed of iron and stone
b)
It orbits the Earth
c)
Larger than the moon
d)
It has a tail of gas and dust
3.
Where does fusion normally occur?
a)
In Earth's core
b)
The Sun
c)
Comet's tail
d)
The Moon
4.
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
5.
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
6.
Why are meteoroids usually harmless to Earth?
a)
They burn up in the atmosphere
b)
They hit Earth
c)
They are always hitting other planets
d)
They are made up of soft material
7.
When astronauts are in space for long periods of time, what happens to their bones?
a)
They become stronger
b)
They become more dense
c)
They expand
d)
They become harder
8.
If scientists wanted to study an unknown planet, what type of equipment would they need?
a)
Space shuttle
b)
Satellite
c)
Probe with instruments
d)
Spacecraft
9.
What best explains Earth's motion?
a)
Earth moves in an elliptical motion around the Sun
b)
No unbalanced force acting on the planet
c)
The sun moves in orbit around Earth
d)
The gravitational forces are equal between Earth and the Sun
10.
What is a risk for living in space for long periods of time?
a)
Eating space food
b)
Sleeping against a wall
c)
Microgravity
d)
High radiation levels
11.
What is a natural satellite?
a)
Natural satellites orbit planets
b)
Planets orbit natural satellites
c)
Natural satellites have life on them
d)
Natural satellites are larger than planets
12.
What is so special about the Apollo Space Program?
a)
It is the ONLY program to send humans to another solar system object
b)
First program to send humans into space
c)
Largest and most expensive space program
d)
Only Americans went into space
13.
Which object in space would be our next logical place to visit?
a)
Earth
b)
Venus
c)
Mars
d)
Jupiter
14.
Which object is closer to Earth?
a)
Mars
b)
Venus
c)
Jupiter
d)
Saturn
15.
What role did space shuttles have in the making of the International Space Station?
a)
Space shuttle transported people to the ISS
b)
Space shuttles power and fuel the ISS
c)
Shuttles provide satellite guidance
d)
Shuttles bring back ISS to Earth
16.
What causes planets to travel along a curved path instead of moving in a straight line?
a)
Electromagnetic attraction
b)
Gravitational attraction between the planet and Sun
c)
Electromagnetic attraction between the planet and Sun
d)
Gravitational attraction between the moon and planet
100 %
