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Physical Science Final Exam

Total questions: 75

Worksheet time: 2hrs 53mins

Name
Class
Date
1.
True or False - The SI unit for measuring speed is miles per hour (mi/hr)
a)
true
b)
false
2.
Which of the following is not one of the six forms of energy?
a)
nuclear
b)
thermal
c)
electrical
d)
conduction
3.
What is the name of the reaction in which energy is absorbed?
a)
exothermic
b)
endothermic
c)
chemcial
d)
physical
4.
Emily slid down the sliding board at the park. Where did Emily have the most potential energy?
a)
In the middle of the slide
b)
Near the bottom of the slide
c)
At the top of the slide
5.
Frank jumps into a raft in his pool. As he jumps, he moves forward as the raft moves in the opposite direction. Which answer best describes the correct answer.
a)
The 1st law because a body at rest tends to stay at rest
b)
The 3rd law because for every action there is an equal and opposite reaction
c)
The 2nd law because as the mass increases so does the force
d)
The 4th law because I was not paying attention in class when we went over this topic.
6.
The Law of Conservation of Energy states:
a)
Energy can created or destroyed but not transformed 
b)
Energy cannot be created or destroyed, it can only transformed
c)
Energy can't be created, destroyed or transformed
7.

Which term is an example of force?

a)

weight

b)

energy

c)

work

d)

mass

8.

What type of potential energy is released from a hand warmer?

a)

elastic potential energy

b)

gravitational potential energy

c)

chemical potential energy

d)

kinetic energy

9.

Which of the following is a nonrenewable energy resource?

a)

geothermal energy

b)

hydroelectric energy

c)

hydrogen fuel cells

d)

natural gas

10.
The __________ variable is the one that is manipulated; it's what I change.
a)
independent
b)
dependent
c)
constant
d)
control
11.
This is a well-tested explanation.
a)
Hypothesis
b)
Law
c)
Testable Question
d)
Theory
12.
The factors in an experiment that must remain the same in order to isolate the independent variable.
a)
Control
b)
Constant
c)
Testable questions
d)
Test subjects
13.
When measurements/results are all near the expected result.
a)
Perfection
b)
Precision
c)
Accuracy
d)
Proof
14.
Convert 0.25 m to mm
a)
25
b)
2.5
c)
250
d)
0.025
15.
convert 0.08 km to m
a)
80
b)
8
c)
0.8
d)
800
16.

How many electrons are found in the outer shell of an atom when the shell is full?

a)

4

b)

2

c)

8

d)

5

17.

What is the half- life of an isotope?

a)

The time required to undergo fussion

b)

The time required to undergo radioactive decay

c)

The time required to undergo fission

d)

The time required to react chemically

18.

What are the three most common states of matter in order by increasing force?

a)

liquid → solid → gas

b)

solid → liquid → gas

c)

gas → liquid → solid

d)

gas → solid → liquid

19.

A chemical reaction is shown below.

K + MgBr → KBr + Mg

Which chemical reaction shows a reaction that supports the law of conservation of matter?

a)

2K + 2MgBr → KBr + 2Mg

b)

K + 2MgBr → KBr + 2Mg

c)

2K + MgBr → 2KBr + Mg

d)

K + MgBr → KBr + Mg

20.

In a balanced equation which law is displayed?

a)

The law of conservation of weight

b)

The law of conservation of force

c)

The law of conservation of matter

d)

The law of conservation of heat

21.

The image demonstrates which of Newton's three laws?

a)

First Law

b)

Second Law

c)

Third Law

d)

none

22.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
23.

Anything that takes up space and has weight.

a)

volume

b)

mass

c)

matter

d)

property

24.

Two or more kinds of matter that are placed together but can be easily separated.

a)

physical change

b)

chemical change

c)

mixture

d)

gas

25.

The three forms of matter--solid, liquid, and gas.

a)

states of matter

b)

solid

c)

liquid

d)

gas

26.

the state in which matter has a definite shape and volume.

a)

solid

b)

liquid

c)

gas

d)

water vapor

27.

A state in which matter has no definite shape or volume

a)

solid

b)

liquid

c)

gas

d)

water vapor

28.

The SI unit of distance that would be most appropriate for measuring the distance between two cities is the

a)

meter

b)

centimeter

c)

kilometer

d)

mile

29.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
30.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
very well blended
d)
made of elements
31.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
32.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
33.

The capacity to do work.

a)

Energy

b)

Plasma

c)

Pascal

d)

Pressure

34.

The products of a reaction have the same ________as the reactants.

a)

molecule

b)

atoms

c)

subscripts

d)

coefficients

35.

When balancing this equation, Fe + Cl2 → FeCl3, the correct coefficient for Cl2?

a)

1

b)

2

c)

3

d)

4

36.

Chemical reactions

a)

create and destoy atoms

b)

only occurs outside living organisms

c)

occurs only in living organisms

d)

produce new substances

37.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

38.

KOH is ...

a)

an acid

b)

a base

c)

a salt

d)

an ionic compound

39.
What is an atom that has an unstable nucleus and undergoes radioactive decay?
a)
Radiation
b)
Radioactivity
c)

Radioactive

40.
The process of nuclear change in an atom of radioactive material is called... 
a)
nuclear decay
b)
nuclear mass
c)
isotopes
d)
radon
41.

What type of radiation is this?

a)

Alpha

b)

Beta

c)

Gamma

42.
When in the lab...
a)
long sleeves and loose clothing should be rolled up
b)
closed toe shoes should be worn
c)
long hair should be pulled back
d)
all of the above
43.
 If you do not understand a direction or part of a lab procedure, you should 
a)
skip it and go on to the next part.
b)
ask the instructor before proceeding
c)
try several methods until something works
d)
figure it out as you do the lab
44.

The force of gravity is dependent on an object's ________.

a)

mass

b)

volume

c)

temperature

d)

speed

45.

Newton's second law states that greater the mass the more _________ will be needed to move the object.

a)

power

b)

force

c)

distance

d)

speed

46.

force equals mass times .......

a)

speed

b)

acceleration

c)

velocity

d)

momentum

47.

If I threw a rock in space what force would be acting against it?

a)

gravity

b)

friction

c)

electromagnetism

d)

nothing

48.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
49.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
50.

Which of the following scientists is known to have been "married" to a pigeon?

a)

Einstein

b)

Newton

c)

Tesla

d)

Neil De Grasse Tyson

51.

Which of the following has the strongest gravitational pull?

a)

A bowling ball

b)

A car

c)

The Earth

d)

The Sun

52.

True or False: Gravity helps the Earth to stay in orbit around the Sun

a)

True

b)

False

53.

Which of the following forces gives planets their shape?

a)

Kinetic

b)

Gravity

c)

Potential

d)

Velocity

54.

A mechanical wave carries energy from one place to another through the

a)

physical transfer of matter

b)

interaction of electromagnetic fields

c)

phase changes of a medium

d)

vibration of a medium

55.

This is an educated guess that you can test. It usually has the words "if" and "then".

a)

Hypothesis

b)

Guess

c)

Theory

56.

Match the following

a)

Metal

1.

Iron

b)

Noble Gas

2.

Helium

c)

Metalloid

3.

Boron

57.

Metals are/have: ​ (a)   , ​ (b)   , ​ (c)   ,​ (d)   , ​ (e)  

Choose from the below words
shiny
ductile
malleable
high melting point
good conductor of electricity
soft
easy to melt
liquid
58.

This kind of reaction uses Oxygen (O2) and releases heat.

a)

Combustion

b)

Decomposition

c)

Synthesis

59.

Match the following

a)

Moving energy

1.

Kinetic

b)

Could have energy soon

2.

Potential

c)

Heat energy

3.

Thermal

60.

How many laws did Newton come up with?

a)

1

b)

2

c)

3

61.

Every ​ (a)   has an ​ (b)   and ​ (c)   ​ (d)  

Choose from the below words
action
opposite
equal
reaction.
big
small
spicy
62.

An object in ​ (a)   tends to ​ (b)   in ​ (c)  

Choose from the below words
motion
stay
not stay
sleep
stasis
63.

Match the following

a)

Proton

1.

Positive

b)

Neutron

2.

Neutral

c)

Electrons

3.

Negative

64.

These electrons are on the outermost shell of the atom.

a)

Proton

b)

Neutron

c)

Valence

65.

Match the following molecule names with their chemical formula.

a)

Water

1.

H2O

b)

Breathable oxygen

2.

O2

c)

Carbon dioxide

3.

CO2

66.

Energy cannot be created or destroyed.

a)

True

b)

False

67.

two or more pieces of matter that can be combined, but NOT easily separated

a)

mixture

b)

solution

c)

mass

d)

matter

68.

something that can be observed, measured, or described when looking at a piece of matter

a)

physical property

b)

chemical property

c)

matter

d)

chemical change

69.

Sara has a mixture of chocolate powder, sand, table salt, and sugar. She adds water. Which of these can be separated from the mixture after she adds the water?

a)

table salt

b)

chocolate powder

c)

sugar

d)

sand

70.

When water changes state, from ice to steam, it is a ____________ change in matter

a)

chemical

b)

combustion

c)

physical

d)

solubility

71.

Evidence of a chemical change includes

a)

change in size

b)

change in color

c)

change in shape

d)

change in weight

72.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
73.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
74.
Are fireworks exploding a physical or chemical change?
a)
phyiscal 
b)
chemical
75.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical

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