NEW
Font size
S
M
L
XL
WorksheetsGalaxy Review
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
What type of galaxy do we live in?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Coaxial
2.
What are asteroids?
a)
Smaller celestial objects that are mostly made of rock
b)
Smaller celestial objects mostly made of ice and other particles
3.
What are meteoroids?
a)
Pieces of planets
b)
Pieces of the sun
c)
Pieces of comets
d)
Pieces of asteroids
4.
What is the name of the tools that orbit around Earth collecting and sending data?
a)
satellite
b)
space probe
c)
telescope
d)
space shuttle
5.
What's the unit of measurement we use when referring to our galaxies?
a)
light year
b)
light day
c)
miles
d)
kilometers
6.
What kind of objects do we send into space because it's too far for us to go?
a)
satellite
b)
space probe
c)
telescope
d)
space shuttle
7.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
iron
8.
Our Sun is average-sized, average temperature, and middle aged.
a)
False
b)
True
9.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
10.
What are the three types of galaxies?
a)
Spiral, irregular, boxed
b)
Spiral, elliptical, spherical
c)
Spiral, elliptical, square
d)
Spiral, irregular, elliptical
11.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe started as a point and is moving towards each other
12.
Which of the following techniques can give us the speed of a star relative to us?
a)
Stellar Parallax
b)
Standard Candles
c)
Doppler Shift (Red Shift)
13.
The vast majority of galaxies in our universe are moving away from us. We know this because we observe __________ in the galaxies absorption spectra.
a)
Redshift
b)
Blueshift
c)
Turbulance
d)
Superposition
14.
A light year is a unit of
a)
time
b)
distance
c)
mass
d)
density
15.
Write this number is scientific notation 20,000
a)
2.0 x 104
b)
2.0 x 105
c)
2.0 x 103
d)
20. x 104
Reset
