WorksheetsHR diagram
Total questions: 20
Worksheet time: 20mins
What is the HR diagram
A chart that tells color of stars
A chart that graphs temperature
A chart that graphs a star’s brightness and temperature
A cookbook
List the color of the stars from hottest to coldest
blue, white, yellow, orange, red
orange, yellow, blue, red, white
green, pink, purple, white
there is no order
What type of star has a high temperature but a low luminosity?
blue giant
super giant
red super giant
white dwarf
What factor affects the color of a star?
size
temperature
mass
brightness
What color is a star with the lowest surface temperature
blue
red
yellow
orange
What type of star has a high temperature and a high luminosity?
white dwarf
sun
red giant
blue giant
What type of star has a low temperature but a high luminosity?
red giant
red super giant
white dwarf
blue giant
What type of star has a low temperature and a low luminosity?
sun
blue giant
white dwarf
red giant
What is the color of the stars with the highest surface temperature?
white
blue
red
green
What factor affects the color of a star?
brightness
mass
nothing
temperature
What factor affects the luminosity of a star?
size & surface area temperature
brightness
temperature
size
What is the approximate surface temperature of the sun?
about 10,000 degrees Celsius
about 5,600 degrees Celsius
about 2,000 degrees Fahrenheit
hot
What 4 groups of stars can be located on the HR Diagram?
white dwarfs, blue giants, red giants, super red giants
sun, moon, earth
there are no stars on the HR diagram
red giants, moon, white dwarfs, sun
As you move left on the HR diagram what do you notice in the temperature?
temperature is staying the same
temperature is decreasing
temperature is increasing
its changing rapidly
As a whole, giants are considered hotter than white dwarfs
True
False
Blue stars are the-
coldest
hottest
biggest
which star has the lowest temperature?
A
B
C
D
Red stars are the-
hottest
coolest
brightest
What does HR diagram stand for?
The Henry rider diagram
The Hertzsprung-Russell diagram
Harriet Ramsey
between blue giants and red giants which is hotter in temperature ?
red giant
blue giant
both
neither
