NEW
Font size
S
M
L
XL
WorksheetsStars & HR Diagrams
Total questions: 20
Worksheet time: 18mins
Name
Class
Date
1.
A collection of stars, dust, and gas bound together by gravity is...
a)
Universe
b)
Solar System
c)
Planet
d)
Galaxy
2.
The distance that light travels in one year...
a)
Light year
b)
Quantumyear
c)
Stellar-year
d)
1 million kilometers
3.
Which comes first in the following sequence of stars?
a)
Main Sequence Star
b)
Red Giant
c)
White Dwarf
d)
Black Dwarf
4.
A nebula can eventually turn into...
a)
a star.
b)
a star and all of the planets that orbit it.
c)
a galaxy.
d)
a constellation.
5.
A Super Giant star will eventually turn into...
a)
a neutron star or a black hole.
b)
a red giant.
c)
a main sequence star.
d)
a white dwarf or a black dwarf.
6.
What is the graph that shows the relations between a star's surface temperature and absolute magnitude?
a)
H-R Diagram
b)
Star Cluster Map
c)
Einstein's Diagram
d)
Newton's Chart of Stars
7.
How do stars generate energy?
a)
Fusion of hydrogen and helium atoms
b)
Fission of hydrogen and helium atoms
c)
Burning hydrogen
d)
Burning helium
8.
Lightyear is used by scientist to measure what?
a)
Distance
b)
Time
c)
Energy
9.
Nebulae are considered "Stellar Nurseries" because...
a)
Planets are created from the gases
b)
Stars form from them
c)
Asteroids are formed from them
10.
The Hertzprung Russell Diagram consists of two axis that are labelled...
a)
Luminosity and Size
b)
Luminosity and Temperature
c)
Luminosity and Age
11.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
12.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
13.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
14.
What else does the H-R Diagram tell us besides the luminosity and temperature?
a)
Color and size
b)
Location and distance from Earth
c)
Constellation structures
15.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
16.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
17.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
18.
Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.
a)
True
b)
False
19.
What is a large celestial body that is composed of gas and that emits light?
a)
Nebula
b)
Star
c)
Galaxy
d)
Planet
20.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
Reset
