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Solar System Review
Test Description: Review for learning check.
Instructions: Answer all questions to get your test result.
1) The planets of the solar system revolve around the Sun in orbits because of the Sun’s
A
heat
B
gravity
C
rotation
D
magnetic field
2) When a satellite is in orbit around the Earth, the force of gravity on the satellite
A
pulls the satellite out toward space
B
causes a change in the direction of motion
C
is so small it can be ignored
D
causes the speed of the satellite to decrease
3) What is the orbit paths of most planets in our solar system?
A
oval
B
ellipse
C
straight line
D
circle
4) The discovery of the Galilean moons change how humans perceived the
A
it gave us proof that not everything orbited around the Earth
B
it allowed us to honor the famous scientist, Galileo
C
it allowed for us to study how ice moves in other places of the solar system
D
we could see that there was other life in the solar system
5) Made mostly of ice and will light up when close to the sun is called a
A
Venus
B
comet
C
asteroid
D
Mercury
6) If this system lost the Sun, the planets would go in a
A
would not go anywhere
B
perfect circle
C
striaght line
D
blow up
7) The planets in the solar system are so far apart that scientists measure the distance
A
nautical miles
B
astronomical units
C
miles
D
kilometers
8) You weigh 1/6th of your weight on the moon as compared to the Earth because
A
the moon has less mass than the Earth
B
the Earth is smaller than the Moon
C
the Earth has less mass than the moon
D
the Moon is orbiting the Earth
9) The closer two objects are to one another
A
the stronger the gravitational pull
B
the faster they rotate
C
the more they repel each other
D
the less the gravitational pull
10) You twirl a string so that a ball circles your head. Your head remains facing the same direction. What would your head represent in space?
A
moon
B
asteroid
C
sun
D
meteor
11) What is a spinoff from the United States space program?
A
cordless power tools
B
air bags in car
C
stereo system
D
pencil
12) A rocky object that is irregularly shaped, 50 miles wide, rotates every 18 hours, and 3 times further from the sun in space is called a
A
probe
B
planet
C
sun
D
asteroid
13) Mars is very similar to Earth. Mars does not have
A
constantly in motion
B
moons
C
an abundance of water
D
rocky surface
14) A probe is a vehicle designed to carry instruments, but not crew. It would be sent to look at a
A
meteor
B
comet
C
planet
D
inside the sun
15) The space shuttle differed from previous space vehicles because it is
A
could carry more than one person
B
reusable
C
it could go beyond the Earth's orbit
D
airtight
*select an answer for all questions
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