Worksheets8th 3.2 Stars Systems and Galaxies
Total questions: 9
Worksheet time: 7mins
Name
Class
Date
1.
What is made mostly of gas and are larger and hotter than planets.
a)
stars
b)
planets
c)
galaxies
d)
solar system
2.
Astronomers can often identify a binary system that includes only one visible star by observing the effects of the dim star’s _________ on its brighter companion.
a)
brightness
b)
gravity
c)
density
d)
composition
3.
What type of galaxies are small with many bright young stars and lots of gas and dust for star formation?
a)
Elliptical
b)
Spiral
c)
Irregular
d)
Quasar
4.
What contains a star, the planets, and other objects that revolve around the star.
a)
Quasar
b)
Spiral
c)
Elliptical
d)
Solar System
5.
Which galaxy is an active, young galaxy with a giant black hole at its center?
a)
Irregular
b)
Quasar
c)
Spiral
d)
Elliptical
6.
Which galaxy shaped like a flattened ball?
a)
Irregular
b)
Quasar
c)
Ellipitical
d)
Spiral
7.
Which galaxies have mostly old stars, without a lot of active star formation?
a)
Ellipitical
b)
Spiral
c)
Irregular
d)
quasar
8.
What type of galaxy is the Milky Way galaxy?
a)
Irregular
b)
Spiral
c)
Elliptical
d)
Quasar
9.
Where do new stars tend to form in a spiral galaxy?
a)
center
b)
arms
100 %
