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Chapter 17 Test Review
Test Description: This is a review game for Chapter 17
Instructions: Answer all questions to get your test result.
1) A light-year is
A
The amount of light the sun produces in a year
B
365 Days
C
the distance that light travels in a year
D
The distance from the Earth to the sun
2) A star is born when
A
helium and oxygen combine
B
a nebula expands
C
a protostar begins to form
D
nuclear fussion starts
3) A supernova is the explosion of a dying
A
mediun-mass star
B
protostar
C
high-mass star
D
low-mass star
4) The lifetime of a star depends on its
A
Color and brightness
B
Tempature
C
absolute brightness
D
mass
5) The milky way galaxy is an example of
A
spiral galaxy
B
globular galaxy
C
irregular galaxy
D
elliptical galaxy
6) The solar system formed from
A
An expanding galaxy
B
An enormous explosion
C
a black hole
D
A cloud of gas and dust
7) Absolute brightness of a star depends on
A
size and temperature
B
distance and color
C
distance and tempreature
D
color and temperature
8) The force that tends to pull together the matter in stars is
A
dark energy
B
Gravity
C
dark matter
D
nuclear fussion
9) Why are many large optical telescopes located in mountains?
A
to be closer to the stars
B
to be above part of the atmosphere
C
becasue it is easier to build telescopes on mountains
D
to be closer to city lights
10) What is likely to happen to the universe in the future?
A
It will expand and then contract
B
It will expand forever
C
It will contract
D
It will remain the same size
*select an answer for all questions
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