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WorksheetsEarth Space Unit 3 - Stars
Total questions: 18
Worksheet time: 14mins
Name
Class
Date
1.
The Sun is not a star.
a)
True
b)
False
2.
White dwarfs are the largest stars.
a)
True
b)
False
3.
Polaris is also known as the North Star.
a)
True
b)
False
4.
Stars do not produce their own light and heat.
a)
True
b)
False
5.
A huge group of stars is called a constellation.
a)
True
b)
False
6.
The Sun is the closest star to Earth.
a)
True
b)
False
7.
Warmer stars are red or orange.
a)
True
b)
False
8.
What unit do scientists use to measure distances in space?
a)
light-years
b)
kilometers
c)
centimeters
d)
gigameters
9.
Which statement explains why astronomers use a unit called a light-year when writing about the vast distances between Earth and distant stars?
a)
There were too many stars in space.
b)
Light travels at different speeds during different times of the year.
c)
It sounds more scientific.
d)
Stars are so far from Earth that writing their distances in kilometers becomes too awkward.
10.
Which can be used to tell scientists about the surface temperature of a star?
a)
brightness
b)
color
c)
size
d)
mass
11.
Which type of small, dense star can n longer turn helium into carbon?
a)
a nebula
b)
a black hole
c)
a white dwarf
d)
a constellation
12.
Which is a huge cloud of gas and dust in space?
a)
a nebula
b)
a black hole
c)
a white dwarf
d)
a constellation
13.
Which object's gravity is so strong that light cannot escape it?
a)
a nebula
b)
a black hole
c)
a white dwarf
d)
a constellation
14.
A supergiant star that explodes is called a _______________?
a)
neutron star
b)
black hole
c)
white dwarf
d)
supernova
15.
Which is a huge collection of stars?
a)
a planet
b)
a galaxy
c)
a constellation
d)
a universe
16.
The Sun's surface is called the _______________.
a)
prominence
b)
corona
c)
photosphere
d)
core
17.
Which is the correct order of the cycle of a star?
a)
red giant, protostar, star, nebula, white dwarf
b)
white dwarf, red giant, star, protostar, nebula
c)
nebula, protostar, star, red giant, white dwarf
d)
star, white dwarf, red giant, protostar, nebula
18.
Why would we not be able to have life on Earth without our Sun?
a)
Without the Sun, our Earth would be too small to keep life on it.
b)
Without the Sun, our temperature would be too cold to keep life on Earth.
c)
Without the Sun, we would be a gas giant planet and not be able to have life.
d)
Without the Sun, we would still be able to have life on Earth.
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