WorksheetsStars and Galaxies
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
an enormous explosion that occurs when a massive star dies
a)
black hole
b)
nuclear fusion
c)
supernova
d)
solar wind
2.
a hot, dense, slowly cooling sphere of carbon that remains when a red giant star dies
a)
red giant
b)
supergiant
c)
black hole
d)
white dwarf
3.
an immense cloud of dust & gas where stars are born
a)
black hole
b)
nebula
c)
prominence
d)
supernova
4.
What is the life cycle of a medium sized star?
a)
Nebula, red giant, nova, white dwarf, black hole
b)
Red giant, nova, white dwarf, dead star
c)
Nebula, red giant, nova, white dwarf, dead star
d)
Nebula, white dwarf, dead star
5.
The largest type of star is
a)
nebula
b)
red giant
c)
red supergiant
d)
supernova
6.
All of the galaxies together is _______.
a)
nebula
b)
solar system
c)
Milky Way
d)
universe
7.
What is an exploding star?
a)
black hole
b)
Milky Way
c)
supernova
d)
solar system
8.
Elliptical, spiral, and irregular are all types of ______.
a)
solar systems
b)
universes
c)
galaxies
d)
stars
9.
What is the shape of an elliptical galaxy?
a)
oval
b)
square
c)
no shape
d)
pinwheel
10.
What is the shape of an irregular galaxy?
a)
oval
b)
square
c)
no shape
d)
pinwheel
11.
What happens when a medium star's life ends?
a)
dead star
b)
black hole or neutron star
c)
supernova
d)
white dwarf
12.
What happens when a massive star's life ends?
a)
dead star
b)
black hole or neutron star
c)
supernova
d)
white dwarf
13.
What color of star is the hottest?
a)
Blue
b)
Red
c)
Yellow
d)
Orange
14.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
15.
The color of the star tells us its
a)
composition
b)
Temperature
c)
Luminosity
d)
Mass
16.
After a supernova, the core can collapse into a neutron star, or if massive enough even a ___________.
a)
Black Hole
b)
White Dwarf
c)
Brown Dwarf
d)
Black Dwarf
17.
What determines if a star becomes a giant or a supergiant?
a)
star size
b)
star temperature
c)
star color
d)
star luminosity
18.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
19.
The Milky Way Galaxy is a
a)
spiral
b)
lenticular
c)
elliptical
d)
irregular
20.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
100 %
