WorksheetsUniverse Review
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
Which of the following is NOT an example of how we may use electromagnetic radiation in space exploration?
a)
solar panels to create electricity
b)
telescopic photography
c)
firing an engine to power a rocket
d)
data sent by a satellite
2.
What are the shortest, most dangerous, wavelengths in the electromagnetic spectrum?
a)
radio waves
b)
microwaves
c)
gamma rays
d)
x-rays
3.
What are the longest and least dangerous of all the electromagnetic wavelengths?
a)
X-Rays
b)
radio waves
c)
microwaves
d)
gamma rays
4.
What type of waves would we find in the smallest segment of the electromagnetic spectrum continuum?
a)
radio waves
b)
gamma rays
c)
visible light
d)
infrared
5.
What do you call the cooler darker regions on the surface of the sun?
a)
solar flares
b)
sun spots
c)
solar wind
d)
prominences
6.
What do you call the loops of burning gas that connect sun spots on the sun's surface?
a)
solar flares
b)
prominences
c)
solar wind
d)
corona
7.
Why do sun spots not seem to travel together?
a)
they disappear and new ones form daily
b)
the layers of the sun do not rotate at the same rate
c)
they do
d)
you just can't see them
8.
If all the stars could magically be lined up the same distance from your eyes, you would be looking at their _______.
a)
apparent magnitude
b)
absolute magnitude
c)
absolute distance
d)
temperature
9.
When you look out into the night sky, you are looking at the star's _____________.
a)
apparent brightness
b)
absolute brightness
c)
absolute magnitude
d)
luminosity
10.
The color of a star will tell you its ________________.
a)
temperature
b)
brightness
c)
size
d)
mass
11.
The coolest color for a star is _______.
a)
blue
b)
red
c)
orange
d)
yellow
12.
The hottest color for a star is _________.
a)
blue
b)
red
c)
yellow
d)
orange
13.
As stars begin to die, their particles expand away from the core and turn ________.
a)
blue
b)
red
c)
yellow
d)
orange
14.
Very massive stars die in a huge explosion called a ____________.
a)
solar flare
b)
super nova
c)
black hole
d)
neutron star
15.
Whether a star leaves behind a white dwarf or a neutron star is determined by its original ______.
a)
color
b)
luminosity
c)
density
d)
mass
16.
Which two factors determine the absolute brightness of a star?
a)
temperature and density
b)
size and temperature
c)
color and mass
d)
density and color
17.
Why are there stars of different colors?
a)
because they are different sizes
b)
because they are different temperatures
c)
because they have different densities
d)
because they have different masses
18.
If you were to travel to a planet more massive than the Earth, what would change ?
a)
your mass will change
b)
your mass and weight will change
c)
your weight will change
d)
nothing will change
19.
When an asteroid moves closer to a star as it orbits, what will change?
a)
the weight of the asteroid
b)
the mass of the asteroid
c)
the density of the star
d)
the weight and the speed of the asteroid
20.
What force keeps the planets orbiting around the sun?
a)
the gravity of the Earth
b)
the gravity of the sun
c)
magnetism
d)
nuclear force
21.
What force is responsible for the formation of everything in our universe?
a)
magnetism
b)
electricity
c)
gravity
d)
nuclear fusion
22.
What is a light year?
a)
the time it takes for light to travel
b)
the distance that light travels in a year
c)
the time it takes for starlight to reach our eyes
d)
when it stays light for a year
23.
Which of these is the largest?
a)
a planet
b)
a star
c)
a galaxy
d)
an asteroid
24.
Which of these is a standardized convenient unit to measure distances between things in our solar system?
a)
light year
b)
astronomical unit
c)
kilometers
d)
meters
25.
Which of these is a standardized convenient unit to measure distances between stars?
a)
light year
b)
astronomical unit
c)
mile
d)
kilometer
26.
Why does the sun appear to be so much bigger than all the other stars in the sky?
a)
because it is
b)
because it's so much hotter
c)
because it's so much closer
d)
because the sun emits a brighter light than most others
27.
What new inventions help us to learn more about space?
a)
more powerful rockets
b)
stronger engines
c)
new technology
d)
smarter scientists
28.
What is a mobile?
a)
a type of hanging model that shows certain characteristics
b)
a PowerPoint giving information
c)
a life size replication of something
29.
What should you look for in a graph in order to make predictions?
a)
trends and patterns
b)
the x axis
c)
the y axis
d)
the angle of the increase
30.
Which has the smallest range of wavelengths in the electromagnetic spectrum?
a)
radio waves
b)
visible light
c)
gamma rays
d)
infrared
100 %
