2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
NAME :
CLASS :
Science Review Grade 9 - Space Unit
25 Questions
DATE :
1.
What is the difference between the inner planets and the outer planets?
A
The outer planets are smaller than the
inner planets
B
the inner planets are heavier than the
outer planets
C
The inner planets are smaller than the
outer planets
D
The outer planets have more rocks than
the inner planets
2.
The inner planets are called terrestrial planets because they are composed of
A
gas
B
rocks
C
frozen surfaces
D
water
3.
One factor that makes life possible on Earth is
A
water
B
greenhouse effect
C
an atmosphere
D
gravity
Objects made of ice, gas and dust and orbit our sun are called:
4.
A
Comets
B
Meteors
C
Asteroids
D
moon
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
1/7
2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
5.
The luminous celestial body (a bright space object) around which
Earth and other planets revolve and from which they receive heat
and light.
A
satellite
B
sun
C
planet
D
galaxy
6.
A small object that enters Earth's atmosphere from space and
burns due to friction, emitting light.
A
star
B
meteor
C
comet
D
asteroid
7.
This round celestial body does not produce its own light, orbits the sun, and is larger than
an asteroid.
A
planet
C
moon
8.
What part of the International Space Station did Canada contribute?
A
The Robotic Arm
C
The Harmony Node
9.
What is the ISS?
A
C
B
meteoroid
B
The Columbus Lab
Iraq Space Services
B
International Student Services
International Space Station
D
Inside Sun Secrets
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
2/7
2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
10.
The Hubble telescope was put in space to:
A
too big for Earth
B
it is closer to the sun
C
take images past the atmosphere
D
its not really in space
11.
The universe is expanding! This means that:
A
the universe is cooling down.
B
the universe must have started from a
single point.
C
all of the above.
D
all of the galaxies are spreading out.
12.
The Big Bang:
A
is our best explanation for the beginning
B
of the universe.
is NOT an explosion in space.
C
All of the above.
is an expansion OF space.
13.
The universe is expanding. This means that:
A
Atoms are getting bigger.
B
Galaxies are getting bigger.
C
The universe is creating more matter.
D
The amount of space between galaxies is
increasing.
14.
D
What does the Big Bang theory suggest?
A
The Milky Way is the only solar system
B
The universe is continually expanding
C
The universe was just there
D
The universe is collapsing in toward a
single point
15.
In relation to us, most galaxies are…
A
Moving away from us
B
Not moving
C
Moving toward us
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
3/7
2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
16.
All stars begin their life as a
A
Protostar
B
Nebula
C
Main Sequence
D
Black Dwarf
17.
A nebula is:
A
A cloud of just gas
B
A cloud of ice
C
A cloud of just dust
D
A cloud of dust and gas
18.
In which sequence are the celestial objects correctly listed in
order from the smallest mass to the largest mass?
A
Saturn, solar system, Milky Way, universe B
Saturn, universe, Milky Way, solar system
C
Milky Way, Saturn, solar system, universe D
Milky Way, universe, solar system, Saturn
19.
How do stars form?
A
through the sun
B
Magic
C
when nebula collapses and nuclear
fusion occurs
D
through supernova
20.
The layer of the sun’s atmosphere that gives off visible
light
A
Photosphere
C
Corona
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
B
Solar Flare
4/7
2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
21.
the layer of the sun’s atmosphere that looks like a
halo during an eclipse
A
Solar Flare
C
Corona
22.
B
Photosphere
the layer of the sun’s interior where energy is
transferred mainly by electromagnetic radiation
A
Radiation Zone
C
Convection Zone
23.
B
Corona
the layer of the sun’s atmosphere that has a reddish
glow
A
Chromosphere
C
Photosphere
24.
B
Corona
areas of gas on the sun’s surface that are cooler than
the gases around them
A
Freckles
C
Corona
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
B
Sun spot
5/7
2/4/23, 8:32 PM
Science Review Grade 9 - Space Unit
25.
What is the light show caused by collisions between electrically
charged particles from the sun that enter the earth's atmosphere
called?
A
Aurora borealis
C
Solar Wind
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
B
Sunspots
6/7
2/4/23, 8:32 PM
https://quizizz.com/print/quiz/5cfea254f4b271001b8cc6c4
Science Review Grade 9 - Space Unit
7/7