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Inclass HR Diagram/Stars/ Galaxy Pratice

Total questions: 26

Worksheet time: 24mins

Name
Class
Date
1.

In the diagram given, what happens as we move to the left?

a)

Stars Get Larger

b)

Stars get Colder

c)

Stars get hotter

2.

Which category is our Sun located in?

a)

White Dwarfs

b)

Supergiants

c)

Main Sequence

d)

Giants

3.

Our sun is currently a main sequence star. All main sequence stars fuse ____ in their cores.

a)

helium into hydrogen

b)

hydrogen into helium

c)

helium into carbon

4.

A small, hot star resulting from an average mass star is called a ----- .

a)

white dwarf

b)

red dwarf

c)

supergiant

d)

protostar

5.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
6.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
7.

Average size stars will turn into a _____ star next.

a)

protostar

b)

red giant

c)

supergiant

d)

black hole

8.

What is the name of the explosion at the death of a massive star?

a)

Supergiant

b)

Supernova

c)

Black Hole

d)

Nebula

9.

an immense cloud of dust & gas where stars are born

a)

black hole

b)

nebula

c)

prominence

d)

supernova

10.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
11.

What is being measured on the X-Axis of the HR diagram?

a)

Temperature

b)

Luminosity (brightness)

c)

the size

d)

the mass

12.

The life cycles of stars are determined by their:

a)

mass (size)

b)

color

c)

distance from Earth

d)

how bright they are

13.
A gigantic explosion that causes the death of a large star is called
a)
pulsar
b)
red giant 
c)
supernova
d)
black hole
14.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
15.

What is the next stage of our star?

a)

Red Giant

b)

White Dwarf

c)

Supergiant

d)

Blackhole

16.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

17.

What are the 5 properties of stars?

a)

Mass, size, distance, color, and dimension.

b)

Mass, size, brightness, temperature, and color.

c)

Size, dimension, distance, color, and temperature.

d)

Distance, brightness, color, mass, and size.

18.
The stable period of a star’s life cycle is called... 
a)
The birth of a star
b)
Nebula 
c)
Neutron star
d)
Main Sequence 
19.
The big bang theory explains the...
a)
Life cycle of a star
b)
Seasons of the earth
c)
origin of the universe
d)
Sheldon...just sheldon
20.
Which of these shows an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf>black dwarfs
b)
protostar> 
main sequence> 
white dwarf> 
red giant
c)
main sequence> 
protostar> 
white dwarf> 
red giant
d)
protostar> 
red giant >
main sequence> 
white dwarf
21.

What is being measured on the Y-Axis of the HR diagram?

a)

Temperature

b)

Luminosity (brightness)

c)

the size

d)

the mass

22.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
23.

Which star is considered a dwarf star?

a)

Altair

b)

Procyon B

c)

Deneb

d)

Sirius

24.

The best description of a super giant star would be -

a)

hot and bright

b)

hot and dim

c)

average brightness and temp

d)

cool and bright

25.

Which of these stars is hottest?

a)

Red Star

b)

Yellow Star

c)

Orange Star

d)

Blue Star

26.

Which star is considered a giant star?

a)

Mira

b)

Zeta Arindani

c)

Barnard's Star

d)

Betelgeuse