WorksheetsStars and their properties
Total questions: 25
Worksheet time: 9mins
Name
Class
Date
1.
What category on the H-R diagram has the majority or the most stars?
a)
Super giants
b)
White Dwarfs
c)
Giants
d)
Main Sequence
2.
Apparent (magnitude) brightness is affected by a star's distance from Earth.
a)
False
b)
True
3.
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
4.
All stars are formed from a __________?
a)
giant
b)
black hole
c)
white dwarf
d)
nebula
5.
Our sun is average-sized and average temperature.
a)
False
b)
True
6.
Very hot stars are what color?
a)
Blue
b)
Yellow
c)
Red
d)
Orange
7.
Star R and S both have the same luminosity of 100, if Star S is 10 ly farther from Earth which star has the highest apparent magnitude?
a)
Star R
b)
Star S
c)
Both Star S and R
8.
Most stars we see in the night sky are actually part of binary star systems.
a)
False
b)
True
9.
A plot of the surface temperatures of stars compared to their absolute magnitude is called
a)
an H-R diagram
b)
constellation map
c)
a graph
d)
spectrum.
10.
what is the luminosity of the sun?
a)
100
b)
1
c)
.001
d)
1,000
11.
What is the color of the coolest stars?
a)
blue
b)
yellow
c)
red
d)
orange
12.
What H-R Category does our sun belong to?
a)
Supergiant
b)
Main sequence
c)
White dwarf
d)
black dwarf
13.
What star are we revolving around now?
a)
Proxima Centauri
b)
Jupiter
c)
The sun
d)
Pluto
14.
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
15.
Star Z and W both have the same luminosity of 100 lux, if Star Z is 10 ly closer to Earth which star has the highest apparent magnitude?
a)
Star W
b)
Star Z
c)
Both Star Z and W
16.
Where on the H-R diagram would you find the dimmest stars?
a)
At the top
b)
Giants
c)
At the bottom
d)
Main Sequence
17.
Which star has the highest absolute (magnitude) brightness?
a)
Our Sun
b)
Polaris
c)
Sirius
d)
Antares
18.
Which star has the highest apparent (magnitude) brightness because it is closer to Earth?
a)
Sirius
b)
Antares
c)
Our Sun
d)
Polaris the North Star
19.
Where on the H-R diagram would you find the coolest star?
a)
At the top
b)
At the bottom
c)
On the Left
d)
On the Right
20.
Apparent (magnitude) brightness is affected by a star's distance from Earth.
a)
False
b)
True
21.
What measurement do we use to measure distances to a star?
a)
Light Day
b)
Light Year
c)
AU
d)
Kilometer
22.
The Sun makes up over 99% of the solar system's mass.
a)
True
b)
False
23.
The Sun makes up over 99% of the solar system's mass.
a)
True
b)
False
24.
Where on the H-R diagram would you find the brightest stars?
a)
At the top
b)
At the bottom
c)
On the left
d)
White Dwarfs
25.
Which H-R diagram category would have the the largest stars?
a)
Giants
b)
White Dwarfs
c)
Main Sequence
d)
Super Giants
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