Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Chapter 12, 8th Grade
Test Description: Galaxies and stuff
Instructions: Answer all questions to get your test result.
1) Patterns and pictures made from stars in the night sky are called
A
imaginations
B
constellations
C
consternations
D
galaxies
2) How many constellations are there?
A
22
B
18
C
45
D
88
3) Higher light wavelengths have ___ energy
A
the same amount of
B
higher
C
fluctuating
D
lower
4) What does the spectrum of a star tell us?
A
what a star is made of
B
all of the above
C
a star's age
D
the star's temperature
5) If a star has a negative apparent magnitude, what does this mean?
A
it appears very dim
B
it didn't do well at the reality fair.
C
it appears very bright
D
it is a medium-bright star
6) Luminosity depends on
A
a star's age and size
B
a star's temperature and size
C
a star's distance and temperature
D
a star's temperature and age
7) What powers stars?
A
nuclear fusion
B
fire
C
iron
D
nuclear fission
8) Which is NOT an inner layer of a star?
A
the core
B
the radiative zone
C
the corona
D
the convection zone
9) Which is NOT part of the atmosphere of a star?
A
the corona
B
the photosphere
C
the chromosphere
D
the radiative zone
10) How do most stars exist?
A
in multiple star systems
B
by themselves
C
near black holes
D
all of the above
11) Tight, spherical clusters of stars that are the same age and the same distance from Earth are called
A
open clusters
B
spherical clusters
C
globular clusters
D
elliptical clusters
12) Stars are classified by their
A
size
B
distance
C
spectra
D
temperature
13) A star's ___ determines its temperature and color
A
magnitude
B
distance
C
mass
D
luminosity
14) Which has the shortest life span?
A
mass has nothing to do with it
B
lower-mass stars
C
they have equal life spans
D
higher-mass stars
15) Why do higher-mass stars have short life spans?
A
the fuel is spread out over time
B
the more gravity that pulls inward, the hotter the core gets and the faster fuel is burned
C
the less fuel it has, the quicker it runs out
D
the color of the star determines its life span.
16) When do stars leave the main sequence?
A
when they no longer fuse hydrogen into helium
B
when they lose gravity
C
when they no longer fuse helium into carbon
D
when they run out of dust
17) Which star leaves the main sequence and turns into a red giant and later a white dwarf?
A
higher-mass star
B
lower-mass star
18) What holds galaxies together?
A
gravity
B
superglue
C
strong force
D
nuclear force
19) It is thought that more than 90% of the universe is made of
A
empty space
B
ALIENS
C
dark matter
D
matter
20) How are galaxies distributed throughout the universe?
A
they are clumped together in clusters
B
they are mostly even, with a few groups here and there
C
none of the above
D
they are spread out evenly
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?