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Physical Science (Midterm Exemption)

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.
How big was the universe at the Big Bang?
a)
Really small - like a tennis ball
b)
A single point called the singularity
c)
A hot state as large as the sun
d)
A cold state as large as the moon
2.
If an object is moving toward us, its spectrum will experience
a)
no shift
b)
red shift
c)
black spectrum
d)
blue shift
3.
What happened after the Big Bang?
a)
The universe expanded
b)
Nothing
c)
The universe shrank
d)
The universe imploded
4.
Hotter stars appear to be what color? 
a)
Red
b)
Blue
c)
Yellow
d)
Green
5.
A star at the stage in its life cycle when it stops burning hydrogen, begins burning helium, and expands to a large, low-density star.
What stage in the life cycle does this describe? 
a)
Supernova
b)
Black Hole
c)
Main Sequence
d)
Red Giant or Red Supergiant
6.
What fuel do stars use? 
a)
Oxygen
b)
Hydrogen
c)
Carbon
d)
Iron
7.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a... 
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
8.
This is an image of the formation of a star, also known as a .... 
a)
Main Sequence
b)
Planetary Nebula
c)
Supernova
d)
Stellar Nebula
9.

A 'baby' star that is still gathering mass in a Nebula and has not begun fusion is called a ___________.

a)

Prototype

b)

Protostar

c)

Brown Dwarf

d)

White Dwarf

10.
This stage is when a high mass star explodes
a)
Supergiant
b)
Red giant
c)
Supernova
d)
Black hole
11.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
12.
A celestial body that is composed of Gas and emits light. 
a)
Venus
b)
magellanic cloud
c)
milky way
d)
star
13.
What galaxy do you live in?
a)
Earth
b)
Andromeda
c)
Hersey
d)
Milky Way
14.

What is the explosion of a star called?

a)

A Catastrophe

b)

A Black Hole

c)

A Supernova

d)

A Grand Explosion

15.

A cloud of gas and dust in space is called?

a)

A Galaxy

b)

A Cloud

c)

A Nebula

d)

A planet

16.

If a star doesn't have enough mass to create a black hole what does it create?

a)

A proton star

b)

A neutron star

c)

A brown dwarf

d)

A gas giant

17.

When did the big bang occur?

a)

5000 year ago

b)

13.7 billion years ago

c)

2 million years ago

d)

unknown

18.

Select a possibility of what will happen to the universe in the future.

a)

The universe will be destroyed by aliens.

b)

The universe may expand forever, therefore galaxies will continue to get further away from each other.

c)

The universe will explode.

d)

We don't have any hypothesis.

19.

What are the two types of mixtures?

a)

pure substances and compounds

b)

homogeneous and molecules

c)

heterogeneous and elements

d)

heterogeneous and homogeneous

20.

What is salt water an example of?

a)

homogeneous mixture

b)

compound

c)

molecule

d)

heterogeneous mixture

21.

Which of the following is the correct way to write the element symbol for helium?

a)

HE

b)

He

c)

he

d)

helium

22.

What is Cobalt (Co) an example of?

a)

element

b)

molecule

c)

compound

d)

mixture

23.

Which of the following is a "shortcut" to be able to tell if matter is a pure substance or mixture?

a)

Mixtures always have a symbol or formula written after them.


Example: He, NaCl, H2O, O2

b)

Mixtures are always liquids.

c)

Pure substances always have a symbol or formula written after them.


Example: He, NaCl, H2O, O2

d)

Pure substances are always liquids.

24.

In this matter diagram, which word belongs at letter C?

a)

element

b)

pure substance

c)

mixture

d)

compound

25.

What should you do if you have a question while you are studying tonight?

a)

go to bed and don't worry about it

b)

email your teacher and ask for help

c)

wait until the test starts to ask

d)

ask a friend who has no idea what you're talking about

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