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