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Physical Science Spring 2022 Final Exam

Total questions: 80

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

Physical or chemical?

a)

Physical

b)

Chemical

2.

Physical or chemical?

a)

Physical

b)

Chemical

3.

Physical or chemical?

a)

Physical

b)

Chemical

4.

Physical or chemical?

a)

Chemical

b)

Physical

5.

Physical or Chemical?

a)

Physical

b)

Chemical

6.

Physical or chemical?

a)

Physical

b)

Chemical

7.

Physical or chemical?

a)

Physical

b)

Chemical

8.

Physical properties....

a)

change the matter when studied

b)

can be observed and measured without changing the matter being studied

c)

include the ability to burn and rust

d)

are useless unless studied in a lab

9.

______________________ can only be recognized when substances react or do not react chemically with one another.

a)

Physical properties

b)

Chemical properties

c)

Flammable properties

d)

Colorful properties

10.

Flammability means the ability to _______ and is a _________ property.

a)

melt; chemical

b)

rust; physical

c)

change; physical

d)

burn; chemical

11.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
12.
Which is an example of a physical property?
a)
ability to react with acid
b)
 state of matter
c)
flammability
d)
ability to react with oxygen
13.

Which of the following is a chemical property of water?

a)

Reacts with pure sodium

b)

Boils at 100 oC

c)

Is liquid at room temperature

d)

Has a density of 1 gm/mL

14.

What is a physical property of these strawberries?

a)

Red

b)

Rotten

c)

Flammable

15.

What is a chemical property of paper?

a)

Flammable

b)

White

c)

Light

16.

What is a physical change?

a)

A change that does not affect the chemical properties of a substance

b)

A change that affects the chemical properties of a substance

17.

What is a chemical change?

a)

A change that alters the physical and chemical properties of a substance

b)

A change of state (melting, freezing, etc.)

18.

Is an ice cream cone melting a physical or chemical change?

a)

Physical

b)

Chemical

19.

Is toasting bread a physical or chemical change?

a)

Physical

b)

Chemical

20.

Is grass growing a physical or chemical change?

a)

Physical

b)

Chemical

21.

Is crumpling a piece of paper a physical or chemical change?

a)

Physical

b)

Chemical

22.
A pure substance that cannot be broken down into other substances by chemical or physical means. 
a)
compound          
b)
atom
c)
mixture 
d)
element
23.
This diagram represents a _____.
a)
pure substance that is a compound
b)
mixture of elements
c)
pure substance that is an element
d)
mixture of compounds
24.
Can a mixture be separated? 
a)
No
b)
Yes
c)
Only sometimes
25.
The basic unit of matter is
a)
a mixture
b)
a substance
c)
an atom
d)
a compound
26.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
27.
This picture represents which of the following?
a)
Element
b)
Compound
c)
Mixture
28.
A pure substance...
a)
is an element or a compound
b)
is an element or a mixture
c)
is a compound or a mixture
d)
is a mixture
29.

What is aluminum (Al)?

a)

Element

b)

Compound

c)

Mixture

30.

What is water (H2O)?

a)

Element

b)

Compound

c)

Mixture

31.

What is salad dressing?

a)

Element

b)

Compound

c)

Mixture

32.

What is an element?

a)

A substance that is made up of one type of atom and can't be reduced to simpler substances.

b)

A substance made of two or more different atoms chemically bonded to one another. They can only be destroyed by chemical processes.

c)

A material containing two or more elements or compounds that are in close contact and are mixed in any proportion. They can be separated by physical means.

33.

What is a mixture?

a)

A substance that is made up of one type of atom and can't be reduced to simpler substances.

b)

A substance made of two or more different atoms chemically bonded to one another. They can only be destroyed by chemical processes.

c)

A material containing two or more elements or compounds that are in close contact and are mixed in any proportion. They can be separated by physical means.

34.
Each column in the periodic table is called a _________ .
a)
period
b)
group
c)
cluster
d)
unit
35.
How are elements on the periodic table arranged by?
a)
in alphabetic order
b)

similar physical & chemical properties

c)
their symbols
d)

Just similar physical properties

36.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
37.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
38.
What element is will have the most similar physical and chemical properties to the element Nitrogen (N)?
a)
Phosphorous (P)
b)
Carbon (C)
c)
Oxygen (O)
d)
Sulfur (S)
39.
Elements that are arranged in __________ have the most similar physical and chemical properties to each other.
a)
periods
b)
groups
40.
All matter is composed of (contains) at least one element on the periodic table
a)
True
b)
False
41.
Periods on the periodic table are __________.
a)
Horizontal Rows
b)
Vertical Columns
42.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
43.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
44.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
45.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
46.
Elements in a ..................have similar chemical properties.  
a)
period
b)
group
c)
row
47.

The letter, C, is a ... of carbon.

a)

Name

b)

Nickname

c)

Chemical Symbol

d)

Pseudonym

48.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
49.
Which letter represents amplitude?
a)
A
b)
B
c)
C
d)
D
50.
Which wave has a greater frequency?
a)
A
b)
B
51.

What is another name for wave height?

a)

Frequency

b)

Amplitude

c)

Wavelength

d)

Origin

52.

What is measured from crest to crest or trough to trough?

a)

mediums

b)

resting position

c)

wavelength

d)

origin

53.
Why do scientists think there is dark matter?
a)
Galaxies are not shaped like they should be.
b)
Galaxies are spinning too fast.
c)
Galaxies are spinning too slow.
54.

Dark matter is:

a)

invisible

b)

made of atoms

c)

listed on the Periodic Table

d)

shiny, like stars

55.

Ordinary matter alone can NOT:

a)

hold galaxies together

b)

change from liquid to gas

c)

change shape

d)

heat up

56.

State of matter

a)

Plasma

b)

Gas

c)

Solid

d)

Liquid

57.

State of matter

a)

Liquid

b)

Solid

c)

Plasma

d)

Gas

58.

State of Matter

a)

Solid

b)

Plasma

c)

Gas

d)

Liquid

59.

Dark matter is a theoretical substance. What does this mean?

a)

Scientists have simply guessed that it exists

b)

There is evidence for its existence, but it hasn't been proven

c)

Scientists are certain that it exists

d)

Scientists are split 50/50 over whether it exists or not

60.

How would dark matter be different from the stars and planets we can see?

a)

It wouldn't reflect light

b)

It wouldn't emit radiation

c)

It wouldn't interact with the electromagnetic spectrum

d)

All of these

61.

Most of the universe is made of

a)

visible matter

b)

Invisible matter

c)

dark energy

d)

dark energy and dark matter

62.
Which is a quality that only gasses display
a)
Spread out to fill all available space
b)
Take the shape of their container
c)
Can't be compressed
d)
All of these
63.
If you increase the pressure of a constant volume of gas, what will happen to the temperature?
a)
Increase
b)
Decrease
c)
Stay the same
d)
It will Blow Up
64.
What will happen to the volume of a gas under constant temperature if the pressure increases?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
65.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
66.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
67.
Gas molecules can easily be compressed  because ___________. 
a)
gas molecules are soft
b)
gas molecules are far apart
c)
gas molecules follow the shape of the container
68.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
69.
You go camping and roast marshmallows over a campfire. What happens to the volume of the air bubbles inside the marshmallows? 
a)
It increased
b)
It decreased
c)
It stayed the same
70.
How could you make the stopper pop out of the flask?
a)
Decrease pressure
b)
Decrease temperature
c)
Increase volume
d)
Increase temperature
71.
How could you "re-inflate" the balloon?
a)
Heat the balloon up 
b)
Cool the balloon down
c)
Remove some helium
d)
Ask the balloon to re-inflate
72.
What 2 variables are used in a Hot Air Balloon? 
[Hint:  Space and Heat]
a)
Pressure and Volume
b)
Volume and Temperature
c)
Temperature and Pressure
d)
Pressure, Temperature and Volume 
73.
If an object sinks in a fluid, _____.
a)
the density of the fluid is greater than the density of the object
b)
the density of the fluid is less than the density of the object
c)
the density of the fluid is equal to the density of the object
d)
density has nothing to do with whether an object sinks or floats, only which state of matter the object is
74.

What do we call the the amount of force exerted on a certain area?

a)

fluid

b)

pressure

c)

buoyant force

d)

normal force

75.

The upward force exerted by a fluid is called the...

a)

buoyancy force

b)

density force

c)

fluidity force

d)

normal force

76.
A fluid's resistance to flow is its
a)
viscosity.
b)
density.
c)
pressure.
d)
buoyancy.
77.

If an object has a density of 3.6 g/mL and you put it into water (density =1.0g/mL,) will it sink or float?

a)

sink

b)

float

78.
The ability of a fluid to exert an upward force of an object immersed in it is
a)
viscosity.
b)
buoyancy.
c)
vaporization.
d)
thermal expansion.
79.

Which principle do airplanes take advantage of to fly?

a)

Archimedes' Principle

b)

Bernoulli's Principle

c)

Pascal's Principle

80.

An object _______ if it is less dense than the fluid it is in.

a)

Swims

b)

Sinks

c)

Bursts up into the air

d)

Floats

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