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WorksheetsHR Diagram/ Stars
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
What is a large celestial body that is composed of gas and that emits light?
a)
Nebula
b)
Star
c)
Galaxy
d)
Planet
2.
A collection of stars, dust, and gas bound together by gravity is...
a)
Universe
b)
Solar System
c)
Planet
d)
Galaxy
3.
The distance that light travels in one year...
a)
Light year
b)
Quantumyear
c)
Stellar-year
d)
1 million kilometers
4.
What is a large spherical body that orbits a star?
a)
Meteorite
b)
Black hole
c)
Planet
d)
Nebula
5.
The sun and all of the planets and other bodies that travel around it make up our...
a)
Galaxy
b)
Solar System
c)
Cluster
d)
Constellation
6.
A large cloud of gas and dust in interstellar space; the predecessor to stars...
a)
Constellation
b)
Black hole
c)
Nebula
d)
Galaxy
7.
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
8.
Space and all the matter and energy in it is...
a)
Universe
b)
Galaxy
c)
Solar System
d)
Ecosystem
9.
Lightyear is used by scientist to measure what?
a)
Distance
b)
Time
c)
Energy
10.
Nebulae are considered "Stellar Nurseries" because...
a)
Planets are created from the gases
b)
Stars form from them
c)
Asteroids are formed from them
11.
The Hertzprung Russell Diagram consists of two axis that are labelled...
a)
Luminosity and Size
b)
Luminosity and Temperature
c)
Luminosity and Age
12.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
13.
Which of these stars is hottest?
a)
Red Star
b)
Yellow Star
c)
Orange Star
d)
Blue Star
14.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
15.
What else does the H-R Diagram tell us besides the luminosity and temperature?
a)
Size, color and element make up
b)
Location and distance from Earth
c)
Constellation structures
16.
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
17.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
18.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
19.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
20.
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
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