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Stars & H-R Diagrams

Total questions: 13

Worksheet time: 51mins

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.
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
3.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
4.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
5.

Our sun is what kind of star?

a)

Blue giant

b)

Red giant

c)

Main sequence

d)

White dwarf

6.

Which is the correct name of the HR diagram

a)

Hertzsprung-Russell Diagram

b)

Hertzsprung-Randle Diagram

c)

Hurtsdoughnut-Ramstein Diagram

d)

Hertzsprung-Randy diagram

7.

Mark something that the H-R diagram measures.

a)

Luminosity

b)

Color

c)

Size

d)

Shape

e)

Distance

8.

What is luminosity?

a)

the amount of heat that a star gives off

b)

the color of the star

c)

the amount of energy a star emits

d)

a type of game that you play to build up your brain muscles.

9.
Blue stars are the _____________.
a)
hottest
b)
coolest
c)
smallest
10.

Which star is more massive, a blue giant or our Sun?

a)

Blue giant

b)

Our Sun

11.

As distance increases, a star's apparent brightness

a)

Increases

b)

Decreases

c)

Stays the same

12.

Which star in the sky has the highest APPARENT brightness?

a)

Sirus

b)

Rigel

c)

Betelgeuse

d)

Sun

13.

Where does the sun fall on the H-R Diagram?

a)

Super giant

b)

Giant

c)

Main sequence

d)

Dwarf