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WorksheetsThe Universe Review
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
Gravity is the force objects put on each other because of their ______.
a)
Mass
b)
Friendliness
c)
Acceleration
d)
Speed
2.
As distance between two objects increases, the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
3.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
4.
What forces cause a planet to orbit?
a)
gravity and orbit
b)
gravity and inertia
c)
gravity and mass
d)
gravity and weight
5.
What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?
a)
They will stop moving and become static.
b)
They will stop spinning.
c)
They will fly away in straight lines.
d)
They will start moving toward the Sun
6.
When it is fall in the northern hemisphere, it is...
a)
...fall in the southern hemisphere.
b)
...spring in the southern hemisphere.
c)
...winter, in the southern hemisphere.
d)
...summer in the southern hemisphere.
7.
What causes the seasons to change?
a)
The warming and cooling of Earth's core.
b)
The distance from the sun.
c)
Earth's tilt in relation to the sun.
d)
Earth's rotation on its axis.
8.
Which season is taking place in the Southern Hemisphere in Position 1?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
9.
What is Earth's annual motion around the sun called?
a)
Rotation
b)
Revolution
10.
One rotation of Earth is equal to
a)
a day.
b)
a year.
11.
Why is the Equator warmest?
a)
Because it is closest to the sun.
b)
Because it receives the most direct sunlight
c)
Because no clouds form here.
d)
Because it is far from the sun
12.
Tides are caused by
a)
strong winds that blow over ocean waters.
b)
the interaction of Earth, the moon and the sun.
c)
the shifting of the plates on the ocean floor.
d)
variations in the salinity of ocean water
13.
Which phase of the moon is represented in this diagram?
a)
new moon
b)
first quarter
c)
full moon
d)
last quarter/third quarter
14.
What is it call when more than half of the moon is lit on the right side and light is increasing?
a)
Waxing cresent
b)
Waxing gibbous
c)
Waning gibbous
d)
Waning cresent
15.
What phase of the moon does a solar eclipse occur?
a)
New moon
b)
1st quarter
c)
Full moon
d)
3rd quarter
16.
What shape are the orbits of most comets?
a)
Circle
b)
Square
c)
Ellipse
d)
Triangle
17.
What is a terrestrial planet?
a)
Mars
b)
Mercury
c)
Venus
d)
All of the Above
18.
Which of the following ends its life cycle in the form of a black hole?
a)
a high-mass star
b)
a low-mass star
c)
a galaxy
d)
a constellation
19.
The diagram shows a particular process.
Which of the following best describe this process?
Which of the following best describe this process?
a)
the birth of a star
b)
the birth of a universe
c)
the life cycle of a medium-sized star
d)
the life cycle of a large star
20.
Giant clouds of gas and dust. Stars can be born and die here.
a)
light year
b)
Nebula
c)
Cometr
d)
Asteroid
21.
A gigantic explosion that cause the death of a massive star is
a)
Nebula
b)
light year
c)
Comet
d)
Supernova
22.
The Milky Way is what type of galaxy?
a)
Spiral
b)
Elliptical
c)
Irregular
23.
What is a light-year?
a)
distance between two stars
b)
distance light travels in one year
c)
the time it takes light to travel 300,000,000 meters
d)
the time it takes light to travel to Earth from the Sun
24.
How many planets are in our Solar System? (not counting Pluto!)
a)
6
b)
7
c)
8
d)
9
25.
Which of the following is NOT a rocky planet?
a)
Mars
b)
Mercury
c)
Earth
d)
Jupiter
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