WorksheetsOther objects in the solar system
Total questions: 53
Worksheet time: 52mins
Name
Class
Date
1.
A group of stars that forms a pattern is called a _______________.
a)
orbit
b)
constellation
c)
solar system
d)
rotation
2.
When a planet spins all the way around, it ________.
a)
rotates
b)
orbits
3.
How often does the pattern of moon phases repeat?
a)
about every 22 days
b)
about every 25 days
c)
about every 29 days
d)
about every 3 days
4.
How often does the pattern of moon phases repeat?
a)
about every 22 days
b)
about every 25 days
c)
about every 29 days
d)
about every 3 days
5.
How often does the pattern of moon phases repeat?
a)
about every 22 days
b)
about every 25 days
c)
about every 29 days
d)
about every 3 days
6.
Why do objects in the sky seem to move in patterns?
a)
because Earth rotates
b)
because Earth orbits the sun
c)
because the sun is the closest star to Earth
d)
because of the shadows
7.
Which describes motion in the solar system?
a)
Earth orbits around the other planets.
b)
The planets orbit around the sun.
c)
The sun orbits around the moon.
d)
The planets bounce around the moon.
8.
What time was this picture most likely taken?
a)
early morning
b)
early afternoon
c)
early evening
d)
at nighttime
9.
In which phase do we see most of the moon?
a)
first quarter moon
b)
full moon
c)
third quarter moon
d)
new moon
10.
How does the pattern of the sun affect the appearance of shadows?
a)
It causes shadows to become shorter or longer.
b)
It causes shadows to become darker or lighter
c)
It causes shadows to disappear.
11.
What kind of object is at the center of the solar system?
a)
a moon
b)
a planet
c)
a star
d)
Pluto
12.
This is the moon you saw in the sky last night. Which moon would you see in about a month?
a)
first quarter moon
b)
full moon
c)
new moon
d)
third quarter moon
13.
What object is shown?
a)
a constellation
b)
a moon
c)
a star
d)
a planet
14.
About how long does it take Earth to rotate one time?
a)
24 hours
b)
24 seconds
c)
24 days
d)
24 years
15.
The process by which hydrogen atoms join together in the sun's core to form helium
a)
Radiation Fusion
b)
Nuclear Fusion
c)
Nuclear prominence
d)
greenhouse effect
16.
The outer layer of the sun's atmosphere
a)
corona
b)
convection zone
c)
chromosphere
d)
radiation zone
17.
The trapping of heat by a planet's atmosphere
a)
Greenhouse effect
b)
gas giants
c)
sunspot
d)
solar flare
18.
The name often given to the first four outer planets: Jupiter, Saturn, Uranus & Neptune
a)
Terrestrial planets
b)
extraterrestrial planets
c)
Gas Giants
d)
oort clouds
19.
the fuzzy outer layer of a comet
a)
oort cloud
b)
asteroid belt
c)
coma
d)
meteor
20.
the solid inner core of a comet
a)
coma
b)
terrestrial planets
c)
oort cloud
d)
nucleus
21.
a doughnut-shaped region that stretches from around Pluto's orbit orbit to about 100 times Earth's distance from the sun
a)
Astroid Belt
b)
Kuiper Belt
c)
Prominence
d)
Photosphere
22.
A spherical region of comets that surrounds the solar system
a)
asteroids
b)
meteor belt
c)
Oort cloud
d)
Kuniper belt
23.
a chunk of rock or dust in space
a)
comet
b)
meteoroid
c)
asteroid
d)
terrestrial planets
24.
Life that exists other then that on Earth
a)
Purple team
b)
UFO
c)
Orange Team
d)
Extraterrestrial Life
25.
Venus has the highest surface temperature of all the planets in our solar system. Which is the BEST explanation for this?
a)
Venus rotates on its axis very slowly.
b)
Venus is very close the the Sun.
c)
Venus revolves around the Sun relatively quickly.
d)
Venus's atmosphere has thick clouds and carbon dioxide.
26.
Astronomers usually measure the distance from Earth to the Moon in
a)
meters.
b)
kilometers.
c)
light-years.
d)
fathoms.
27.
Artificial satellites are grouped into all of the following categories except
a)
commercial.
b)
meteor.
c)
scientific.
d)
secret military.
28.
Which planet is closest to the Sun?
a)
Jupiter
b)
Mars
c)
Venus
d)
Mercury
29.
Which planet do scientists think once had surface water or flowing rivers?
a)
Mercury
b)
Venus
c)
Mars
d)
Jupiter
30.
A comet is largely made up of
a)
iron and nickel.
b)
rock.
c)
petroleum.
d)
water and ice.
31.
We can be sure that the Milky Way galaxy we live in is a spiral galaxy rather than an elliptical galaxy because
a)
it has curved arms.
b)
it does not show any rotation.
c)
its stars are all about the same age.
d)
new stars are no longer forming.
32.
How does the gravity on the Moon compare to the gravity on Earth?
a)
Gravity is the same wherever you are.
b)
There is less gravity on the Moon.
c)
There is more gravity on the Moon.
d)
Gravity depends on each person.
33.
Why does the Moon orbit Earth instead of the Sun?
a)
Gravity depends on distance and the Moon is closet to Earth.
b)
Only large objects orbit around the Sun and the Moon is too small.
c)
The Moon used to be part of Earth so it must orbit Earth.
d)
The Moon is moving too fast and cannot change its orbit.
34.
Objects in an orbiting space shuttle float because
a)
the space shuttle slows down when it reaches orbit.
b)
Earth's gravity has less effect on objects as they get farther away from Earth.
c)
the mass of the object is less in space.
d)
the space shuttle's engines cause too much vibration for objects to remain still.
35.
Earth is made of solid materials. Jupiter, Saturn, Uranus, and Neptune are all made of gas. Which is true about the density of these planets?
a)
They are more dense than Earth.
b)
They have no density.
c)
They are less dense than Earth.
d)
They have the same density as Earth.
36.
The asteroid belt can be found between
a)
Earth and the Sun.
b)
Earth and the Moon.
c)
Neptune and Pluto.
d)
Mars and Jupiter.
37.
The dark, lava covered lowlands of the Moon are called
a)
mountains.
b)
volcanoes.
c)
valleys.
d)
maria.
38.
A hurricane-type cloud known as the Great Red Spot can be found on which planet?
a)
Saturn
b)
Mars
c)
Uranus
d)
Jupiter
39.
Which accounts for the fact that a compass can be used to find north on Earth?
a)
Earth has a magnetic field.
b)
Earth has only one moon.
c)
Most of Earth is covered by water.
d)
Earth's temperature is not constant.
40.
Which statement BEST explains why there is no atmosphere on the Moon?
a)
The temperature of the Moon varies too much to develop an atmosphere.
b)
The Moon does not have enough gravity to hold an atmosphere.
c)
The Moon revolves too quickly to keep an atmosphere.
d)
The density of the Moon is too great to allow an atmosphere.
41.
The ozone layer in Earth's upper atmosphere is important to living organisms because it
a)
absorbs harmful ultraviolet radiation from the Sun.
b)
breaks down harmful pollutants into normal atmospheric gases.
c)
supplies the oxygen living organisms require to carry on respiration.
d)
traps heat close to Earth's surface to maintain temperature necessary for life.
42.
Kate is building a model of the solar system. She chooses a basketball to represent Earth. She wants her model to represent the relative sizes of all the planets and the Moon accurately. Which of the following should Kate use to represent the Moon?
a)
a marble
b)
a ping-pong ball
c)
a softball
d)
a soccer ball
43.
Which is a gaseous plant?
a)
Jupiter
b)
Mars
c)
Earth
d)
Venus
44.
Footprints made by astronauts on the Moon years ago are still there. Which reason explains this?
a)
The Moon has no wind or rain.
b)
Time passes much slower on the Moon.
c)
The dust on the Moon hardened into stone.
d)
The heavy astronauts left very deep footprints in the Moon's dust.
45.
Each year, Earth moves once around
a)
Mars.
b)
Venus.
c)
the Sun.
d)
the Moon.
46.
Which planet is closer to the Sun than Earth is to the Sun?
a)
Jupiter
b)
Venus
c)
Saturn
d)
Mars
47.
NASA scientists recently discovered evidence of liquid water on
a)
Venus.
b)
Mars.
c)
Jupiter.
d)
the Moon.
48.
Which is made primarily of pieces of rock or iron that enter Earth's atmosphere?
a)
asteroids
b)
comets
c)
solar flares
d)
meteorites
49.
Imagine you are an astronomer who just observed a huge burst of light from an exploding star. What did you most likely observe?
a)
a pulsar
b)
a black hole
c)
a supernova
d)
a meteor
50.
What planet has gases, land masses, and large amounts of surface water?
a)
Earth
b)
Mars
c)
Pluto
d)
Saturn
51.
A planet has twice the mass of Earth and the same radius as Earth. If you are standing on this planet, the force of gravity would be
a)
twice that on Earth.
b)
half that on Earth.
c)
the same as on Earth.
d)
four times greater than Earth's
52.
Terry was learning about an object in the Solar System that is made of frozen gases and solid rock. Which of these objects was she learning about?
a)
a star
b)
a comet
c)
a meteor
d)
an asteroid
53.
Many scientists used to accept the model that all objects in the universe revolved around the Sun. What did they learn that made them change this model?
a)
Stars do not revolve around the Sun.
b)
Planets do no revolve around the Sun.
c)
Comets do not revolve around the Sun.
d)
Asteroids do not revolve around the Sun.
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