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Unit 1 Astronomy Test

Total questions: 21

Worksheet time: 2hrs 45mins

Name
Class
Date
1.
The study of the universe
a)
Galaxy
b)
Geocentric
c)
Astonomy
d)
Heliocentric
2.

Our Sun is just one of many millions of stars in a group of stars called a

a)

universe

b)

solar system

c)

cosmos

d)

galaxy

3.

What was in part of the Milky Way prior to 4.6 billion years ago?

a)

nothing

b)

a cloud of dust and gas

c)

other planets

d)

a supernova star

4.
The sun and all of the planets and other bodies that travel around it. 
a)
Universe 
b)
Galaxy 
c)
Star
d)
Solar System 
5.
A large celestial body that is composed of gas and that emits light.
a)
star
b)
black hole
c)
element 
d)
big bang
6.
 A large cloud of gas and dust in interstellar space; a region in Space where stars are born.
a)
Protostar 
b)
Nebula
c)
Galaxy 
d)
Star
7.
What process takes place inside a star to generate energy?
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
8.
Which of the following is the largest?
a)
star
b)
universe
c)
cluster
d)
galaxy
9.
The most commonly accepted theory that explains the beginning of our known universe is the -
a)
Theory of Evolution
b)
Big Bang Theory
c)
Cell Theory
d)
Blackhole theory
10.
In the diagram given, what happens as we move to the left?
a)
Stars get larger
b)
Stars get colder
c)
Stars get hotter
d)
Stars get smaller
11.

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

12.
A star is born when it begins...
a)
nuclear fusion
b)
nuclear abrasion
c)
chemical reaction
d)
nuclear fission
13.
When a star is in the prenatal stage it can be described as:
a)
A cloud of gas and dust; a nebula
b)
a bulging area with a fetus
c)
a ball of plasma where fusion is beginning
d)
being in a balanced, stable stae 
14.

In a star's life what does a star become right after the nebula collapses and protons begin to collide?

a)

Protostar

b)

Supergiant

c)

Main Sequence

d)

White Dwarf

e)

Neutron Star

15.

In a star's life what does a star become right after the nebula collapses and protons begin to collide?

a)

Protostar

b)

Supergiant

c)

Main Sequence

d)

White Dwarf

e)

Neutron Star

16.
Low mass stars expand into what after using up the hydrogen in their core
a)
red giants
b)
supergiants
c)
white dwarfs
d)
protostars
17.
The core of a Red Giant collapses and becomes a ___________________.
a)
White Dwarf
b)
Blue Supergiant
c)
Red Supergiant
d)
Black Hole
18.

All stars begin their life as a white dwarf

a)

true

b)

false

19.

How many stars are there in our solar system

a)

1

b)

1 billion

c)

1 million

d)

100

20.

What is the name of our star system?

Bonus**

a)

The Milky Way Galaxy

b)

Solar plexus

c)

The Andromeda Galaxy

d)

(Sol) Sun system

21.

What are the Steps to the Scientific Method?

4 lines

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