WorksheetsCh. 6 Science Review
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is not an accurate description of the sun?
a)
It is made mostly of gases
b)
It is an average-size star
c)
It is mostly rock at its core
d)
It has a strong gravitational pull
2.
Solar energy is produced by ... ?
a)
fusion
b)
electricity
c)
waves
d)
batteries
3.
Which of the following are the two main gases that make up the sun?
a)
oxygen and nitrogen
b)
oxygen and carbon dioxide
c)
hydrogen and oxygen
d)
hydrogen and helium
4.
Which layer of the sun is where most of the sun's energy is produced in?
a)
the radiation layer
b)
the photosphere
c)
the core
d)
the convection layer
5.
Most asteroids in the solar system are found in a belt between ...
a)
Earth and the Moon
b)
Jupiter and Saturn
c)
Mercury and the Sun
d)
Mars and Jupiter
6.
Planets that are close to the sun ...
a)
Orbit faster than the outer planets
b)
move closer and closer to the sun
c)
move through the asteroid belt
d)
orbit slower than the outer planets
7.
Which two planets in our solar system do NOT have at least one moon?
a)
Mars and Mercury
b)
Mercury and Venus
c)
Mars and Venus
d)
All of these planets have at least one moon
8.
What is a mix of frozen gas, ice, dust,& rock that moves in an irregular circle around the sun?
a)
an asteroid
b)
a comet
c)
a planet
d)
a sun
9.
Which characteristics best describe planets further from the sun?
a)
large and very hot
b)
hot and rocky
c)
small and rocky
d)
large and made of gas
10.
What is the shape that the planets move in around the sun?
a)
a circle
b)
a straight line
c)
an ellipse
d)
a square
11.
When do meteoroids become meteors?
a)
when they collide with one another and break into pieces
b)
when they begin to heat up as they near the sun
c)
when they enter an asteroid belt
d)
when they enter Earth's atmosphere
12.
Which two forces keep the planets in orbit around the sun?
a)
inertia and fusion
b)
fusion and gravitation
c)
inertia and gravitation
d)
gravitation and speed
13.
Gravitational pull from which of the following objects keeps Saturn in orbit?
a)
Earth
b)
Jupiter
c)
the Sun
d)
the Moon
14.
What two factors keep artificial satellites in orbit around the Earth?
a)
forward motion and Earth's gravity
b)
acceleration and gravity
c)
momentum and forward motion
d)
backward motion and the Moon's gravity
15.
What affects the force of gravity?
a)
the circumference of the objects and the distance between
b)
the volume of the objects and the distance between them
c)
the mass of both objects and the distance between them
d)
the diameter of the objects and the distance between them
16.
Which planet has the greatest surface gravity?
a)
Earth
b)
Jupiter
c)
Uranus
d)
Neptune
17.
What keeps the planets moving in their orbits around the sun?
a)
light energy
b)
temperature and force
c)
air pressure
d)
gravity and inertia
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