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LR Space End of Topic

Total questions: 40

Worksheet time: 2hrs 0mins

Name
Class
Date
1.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
2.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
3.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
4.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
5.
The category that contains the most stars is...
a)
Main Sequence
b)
Supergiants
c)
Giants
6.

What characteristics are used to classify stars?

a)

Flammability, weight, and reactivity

b)

Temperature/color and brightness

c)

Conductivity, luster, and density

d)

Malleability, distance, and viscoscity

7.

Using the HR diagram, choose the color of Zeta Eridani

a)

blue

b)

white

c)

yellow

d)

red

8.

Which star is hotter than Deneb

a)

Procyon

b)

Sun

c)

Regel

d)

Banard's Star

9.

Which star is brighter than the sun?

a)

Sirius B

b)

Procyon B

c)

Van Maanan's Star

d)

Aldebaran

10.

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

a)

Pollux

b)

Spica

c)

Tau Ceti

d)

Mira

11.

Knowing the color of a star also tells us its __________

a)

age

b)

location

c)

temperature

d)

name

12.
What is found on the x axis of an H-R diagram?
a)
Luminosity
(or brightness)
b)
Temperature
c)
Star Size
d)
Distance
13.
As you move from the bottom to the top of the H R diagram the __________ changes.
a)
Temperature
b)
Luminosity or Brightness
14.
As a whole, Giants are considered hotter than White Dwarfs.
a)
True
b)
False
15.

What is magnitude?

a)

degree of compactness of a star.

b)

degree of temperature of a star.

c)

the age of a star.

d)

degree of brightness of a star.

16.
A large cloud of gas and dust in interstellar space; the predecessor to stars...
a)
Constellation
b)
Black hole
c)
Nebula
d)
Galaxy
17.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
18.
All stars begin their life in a
a)
Main Sequence
b)
Nebula
c)
Vacuum
d)
Black Dwarf
19.
The life cycles of stars are determined by their:
a)
mass (size)
b)
color
c)
distance from Earth
d)
luminosity
20.

This has more mass than a moon but less mass than star.

a)

Galaxy

b)

Universe

c)

Planet

d)

Nebula

21.

The reason why the sun looks so bright to us on Earth is because it is the...

a)

Most luminous

b)

Biggest

c)

Warmest

d)

Closest

22.
Which is in order from greatest to least mass?
a)
Universe, Sun, Galaxy, Moon
b)
Universe, Galaxy, Nebula, Star
c)
Star, Nebula, Galaxy, Universe
d)
Planet, Moon, Star, Solar System 
23.
This is a young star that glows as gravity brings it together
a)
Nebula
b)
Protostar
c)
Main-sequence star
d)
Red giant
24.
In this stage, a star spends most of its life. Hydrogen is fused into helium at a temperature of millions of degrees.
a)
nebula
b)
protostar
c)
main-sequence
d)
supergiant
25.
Low mass stars expand into what after using up the hydrogen in their core
a)
red giants
b)
supergiants
c)
white dwarfs
d)
protostars
26.
This is a high mass star that is expanding and using energy at a fantastic rate
a)
Red giant
b)
Supergiant
c)
White dwarf
d)
Supernova
27.
A low mass star ends its life as a 
a)
Supernova
b)
Black hole
c)
White dwarf
d)
Nebula
28.
This stage is when a high mass star explodes
a)
Supergiant
b)
Red giant
c)
Supernova
d)
Black hole
29.
This stage is made by densely packed neutrons and sometimes spins and blinks and is called a pulsar
a)
Supernova
b)
White dwarf
c)
Black hole
d)
Neutron star
30.
When a star's gravitational pull is so strong that not even light can escape, it's called a what?
a)
Black hole
b)
Supernova
c)
White dwarf
d)
Nebula
31.
After a supernova, if the core is massive enough it can collapse into a...
a)
Black Hole
b)
White Dwarf
c)
Brown Dwarf
d)
Black Dwarf
32.
More massive stars continue to fuse elements in their cores all the way up to...
a)
helium (He)
b)
iron (Fe)
c)
carbon (C)
d)
plutonium (Pu)
33.
A collection of stars, dust, and gas bound together by gravity is...
a)
Universe
b)
Solar System
c)
Planet
d)
Galaxy
34.
The most common elements stars are made of...
a)
Iron & Carbon
b)
Gold & Zinc
c)
Hydrogen & Helium
d)
Fire and Ice
35.
A star is born when it begins...
a)
nuclear fusion
b)
nuclear abrasion
c)
chemical reaction
d)
nuclear fission
36.
The main element used to fuel a star during the majority of its life is:
a)
Helium
b)
Iron
c)
Light
d)
Hydrogen
37.
On the H-R diagram the white dwarf stars are located where?
a)
top right
b)
top left
c)
bottom left
d)
bottom right
38.

How do main sequence stars like the sun make their energy?

a)

fusion of hydrogen into helium

b)

fission of hydrogen into helium

c)

fusion of helium into hydrogen

d)

fission of helium into hydrogen

39.

Heavier elements like carbon, oxygen, silicon and iron were formed....

a)

inside giants and supergiants

b)

during the big bang

c)

inside main sequence stars

d)

on Earth

40.

Compared to a yellow star, a blue star is always ________

a)

hotter

b)

colder

c)

bigger

d)

smaller

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