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Science Nine Chapter Ten
Test Description: Science 9 chapter 10
Instructions: Answer all questions to get your test result.
1) Evidence indicates that galaxies are
A
always changing direction
B
moving away from each other
C
stationary
D
moving towards each other
2) The Big Bang theory
A
states that the universe began with an event
B
does not yet have evidence to support it
C
is now accepted fact
D
states that galaxies make a loud sound when they collide
3) The known universe is approximately
A
13 billion years old
B
4.6 billion years old
C
100 billion years old
D
100 million years old
4) To find out if a star is moving away from you, you would observe
A
blue ultraviolet light
B
red shift
C
spectrum diversion
D
gamma rays
5) Which of the following is not a known shape of a galaxy?
A
regular
B
spiral
C
elliptical
D
irregular
6) Our milky way galaxy is
A
the centre of the universe
B
an elliptical shaped galaxy
C
a blue dwarf star galaxy
D
a spiral shaped galaxy
7) What holds globular clusters of stars together?
A
collision
B
mass
C
gravity
D
rotation
8) Star clusters vary in the number of stars they contain. What is the approximate range for the number of stars found in an open cluster?
A
100 000 to 100 000 000
B
fewer than 10
C
a few thousand
D
1000 to 1 000 000
9) Which type of galaxy holds the oldest stars in the universe?
A
irregular
B
star clusters
C
spiral
D
elliptical
10) A nebula is
A
what happens when galaxies collapse
B
at the centre of every galaxy
C
a collection of many galaxies
D
a dense cloud of gas and dust in space
*select an answer for all questions
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