WorksheetsLuminosity, Absolute and Apparent Magnitude Mini Practice
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
In comparison to other stars in the sky, the Sun appears brighter because it is–
a)
Bigger
b)
Smaller
c)
Nearer
d)
Further
2.
A student notices that the moon looks larger than the stars. Why?
a)
The moon is reflecting light from the sun
b)
The moon is closer to Earth then the stars
c)
The moon is much larger than the stars
d)
The moon is much larger than Earth
3.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
4.
Put the stars in order from coolest to hottest.
a)
Blue, White, Yellow, Orange, Red
b)
Red, Orange, Yellow, White, Blue
c)
Red, Orange, Yellow, Blue, White
d)
Red, Yellow, Orange, White, Blue
5.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
6.
Which property of a star is the brightness of a star at a standard distance?
a)
Apparent (magnitude) brightness
b)
Absolute (magnitude) brightness
c)
Luminosity
d)
Size of the star
7.
The brightness of a star as seen from Earth is its
a)
apparent brightness.
b)
absolute brightness.
c)
parallax.
d)
reflective brightness.
8.
A very bright star can seem to be dimmer because it is
a)
further away
b)
cooler in temperature
c)
very close
d)
batteries are dying
9.
As the _________ of a star increases, luminosity increases.
a)
size
b)
distance
c)
age
d)
composition
10.
The luminosity of a star describes its ______________.
a)
brightness
b)
temperature
c)
age
d)
color
11.
The teacher gave Carly a list of four stars of different colors. Carly used the graph shown above to help compare the stars’ luminosity.
Which star would have the highest luminosty?
Which star would have the highest luminosty?
a)
White
b)
Red
c)
Blue
d)
Yellow
12.
The teacher gave Carly a list of four stars of different colors. Carly used the graph shown above to help compare the stars’ luminosity.
Based on the graph a star of whoich color most likely has the lowest luminosity?
Based on the graph a star of whoich color most likely has the lowest luminosity?
a)
Red
b)
Blue
c)
Yellow
d)
White
100 %
