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Physical Science Final Exam Review

Total questions: 117

Worksheet time: 4hrs 25mins

Name
Class
Date
1.

Which is true about hypothesis?

a)

A. It may reject or accepts your prediction.

b)

B. It is an educated guess or possible answer to the question.

c)

C. It summarizes the result on the experiment.

d)

D. It is the final answer to the question.

2.

Which is the second step in scientific method?

a)

A. Making a conclusion

b)

B. Identifying the problem

c)

C. Formulating hypothesis

d)

D. Do background research

3.

What are you going to do to test the hypothesis?

a)

A. Do background research

b)

B. Do an experiment

c)

C. Construct a conclusion

d)

D. Both A and C are correct

4.

It is also known as manipulating variable. The condition you change during the investigation.

a)

A. Control variable

b)

B. Dependent variable

c)

C. Independent variable

d)

D. Responding variable

5.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
6.
Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.
a)
If I make a paper airplane from notebook paper, then it will fly faster than construction paper.
b)
Yes.
c)
No.
d)
I think the construction paper air plane will fly faster.
7.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
 Normal Group
d)
Weird Group
8.
A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.Which is the best conclusion for this experiment?
a)
Acid has no effect on the health of this type of plant.
b)
B. High acidity is helpful to this type of plant.
c)
C. Low acidity is harmful to this type of plant.
d)
High acidity is harmful to this type of plant.
9.
The metric unit of measurement for mass is the: 
a)
gram
b)
liter 
c)
meter
10.
The metric unit of measurement for length  is:
a)
gram
b)
liter 
c)
meter
11.
There are ___ millimeters(mm) in 2.7 centimeters (cm)
a)
270 mm
b)
.27 mm
c)
27 mm
d)
.027 mm
12.
3,000mg =_______kg
a)
0.3
b)
0.003 kg
c)
0.03
13.
_______________ is the amount of space an object takes up.
a)
mass
b)
volume
c)
weight
d)
density
14.
________________ is the amount of material (matter) in an object
a)
mass
b)
volume
c)
weight
d)
density
15.
Mass is measured in
a)
grams
b)
liters
c)
meters
d)
g/cm3
16.
The tool used to precisely measure liquid volume is the
a)
beaker
b)
flask
c)
graduated cylinder
17.
The dip that you use to measure liquid volume is called the
a)
dip
b)
meniscus
c)
patella
d)
hibiscus
18.

What is the length of the object in centimeters?

a)

3.4 cm

b)

4.3 cm

c)

3.5 cm

d)

1 1/4 inches

19.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
20.

What is the measurement on the triple-beam balance shown?

a)

335g

b)

35g

c)

3.5g

d)

305g

21.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
22.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
23.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
24.
These are found on the Periodic Table.
a)
Compounds
b)
Elements
c)
Mixtures
25.

the basic structural unit of matter

a)

atom

b)

matter

c)

element

d)

nucleus

26.

the positively charged subatomic particle contained in the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

27.

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

a)

proton

b)

neutron

c)

electron

d)

matter

28.

a negatively charged subatomic particle that orbits the nucleus of an atom

a)

proton

b)

neutron

c)

electron

d)

matter

29.

one or two letters that represent the name of an element

a)

element name

b)

element symbol

c)

atomic number

d)

atomic mass

30.

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

31.

a row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

32.
Which is an electron?
a)
A
b)
B
c)
C
33.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
34.

Which color on the image of the periodic table corresponds with the metalloids.

a)

bright yellow

b)

gold

c)

teal

d)

light blue

35.

The periodic table is mostly comprised of what type of element?

a)

Metals

b)

Nonmetals

c)

Metalloids

36.

Which elements are colored red?

a)

nonmetals

b)

metals

c)

metalloids

37.
All of these properties describe metals except...
a)
malleable
b)
conductors
c)
brittle 
d)
shiny
38.
Describe a solute.
a)
part of solution present in largest amount
b)
gets dissolved
c)
water
d)
surrounds and breaks apart
39.
__________ are made up of solutes and solvents.
a)
Solutions
b)
Suspensions
c)
Heterogeneous Mixtures
d)
Pure Substances
40.
If I dissolve carbon dioxide in water, what is my solvent?
a)
Carbon Dioxide
b)
There is no solvent
c)
Oxygen
d)
Water
41.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

42.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

43.

At what temperature can you fully dissolve 140g of NaNO3?

a)

62

b)

73

c)

81

d)

You cannot determine this

44.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

45.
Compounds are made up of two or more atoms physically combined.
a)
True
b)
False
46.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
47.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
48.
How many carbon atom/s are present in the compounds CaCO3?
a)
1
b)
2
c)
3
d)
4
49.
Is water an element or a compound?
a)
Element
b)
Compound
50.

In which mixture can you see all of the parts?

a)

homogeneous

b)

heterogeneous

51.

In which mixture can you not see all of the parts?

a)

homogeneous

b)

heterogeneous

52.
Which one of the following would you use to separate sand from iron filings?
a)
a bar magnet
b)
filter paper
c)
chromatography paper
d)
alum
53.

Which tools are best for separating a mixtures of sand, iron filings, and water?

a)

Hot plate and filter

b)

Tweezers and filter

c)

Filter and magnet

d)

Magnet and hot plate

54.

A student makes a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture?

a)

the student cut the vegetables into equally sized pieces

b)

the vegetables are combined by maintain their physical properties

c)

the croutons cannot be taken out of the salad

d)

the salad grew from a garden

55.
____ is matter that has a definite shape and takes up a definite amount of space.
a)
Solid
b)
Liquid
c)
Gas
56.
A liquid changes to a gas during _________.
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Sublimation
57.
______ is when water vapor in the air turns back into a liquid.
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Sublimation
58.
Which of the following statements describe gas the BEST.
a)
Gas has a packed shape.
b)
Gas cannot change shape.
c)
Gas has a definite shape.
d)
Gas spreads out to fill a space.
59.
Jacob put his water bottle full of water in the freezer. The state of matter of the water will change from ___________.
a)
liquid to gas
b)
gas to liquid
c)
liquid to solid
d)
solid to liquid
60.

The attraction between particles gives solids a definite

a)

shape and volume

b)

shape and color

c)

shape and position

d)

flow and radius

61.

What properties do liquids have?

a)

definite shape and volume

b)

no definite shape and a definite volume

c)

no definite shape and no definite volume

62.

True or False: In sublimation, a solid becomes a liquid first, then a gas.

a)

True

b)

False

63.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
64.

The best reference points are stationary (not moving).

a)

true

b)

false

65.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
66.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

67.
The baseball park is 4200 m from Camden's house.  I took him 30 minutes to get there.  What was Camden's speed?
a)
.007 m/min
b)
12.60 m/min
c)
140 m/min
d)
126 m/min
68.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
69.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
70.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
71.
Why does a car accelerate as it round a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up  
72.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
73.
When most objects with smooth surfaces rub, there is less friction.
a)
True
b)
False
74.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
75.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
76.

Which type of friction keeps objects from sliding around all over the place

a)

Static Friction

b)

Rolling Friction

c)

Fluid Friction

d)

Sliding Friction

77.

Imagine you decide to jump out of an airplane 🛩

Which force is going to pull you down towards earth

a)

Fluid Friction

b)

Static Friction

c)

Gravity

d)

The wind from the airplane

78.
What is the net force?
a)
5 N
b)
45 N to the left
c)
5 N to the right
d)
45 N to the right
79.
What is a force?
a)
the PUSH or PULL on an object 
b)
The MOTION an object creates
c)
The objects HITTING one another
d)
Going REALLY FAST
80.
Which one is balanced?
a)
top
b)
bottom
c)
both
81.
Is it BALANCED? 
a)
Yes
b)
No
82.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
83.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
84.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
85.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
86.
Which is an example of someone using a simple machine to do work?
a)
a boy runs across a football field
b)
a banker counts money
c)
a mother pushes a stroller up a ramp
d)
a girl eats a sandwich
87.
Which type of simple machine would be found on the bottom of a wagon??
a)
a pulley
b)
a screw
c)
a wedge
d)
a wheel and axle
88.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
89.
Thomas is using a screwdriver to pry open a paint can,  The screwdriver is being used as
a)
a pulley
b)
an inclined plane
c)
a screw
d)
a lever
90.
The seesaw is an example of which simple machine?
a)
incline plane
b)
wedge
c)
lever
d)
pulley
91.

What is the BEST reason you always repeat an experiment?

a)

Make sure your data is consistent and accurate

b)

Make sure your data supports your prediction

c)

Make sure your experiment is easy to do

d)

Make sure your experiment has lots of data

92.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
93.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia (1st law)
b)
The Law of Acceleration (2nd law)
c)
The Law of Conservation of Momentum
d)
Action Reaction Law (3rd law)
94.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
95.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
96.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
97.

A ball at the top of a hill has ________ ________ because if pushed it will roll down the hill.

a)

Mechanical Force

b)

Unbalanced Energy

c)

Potential Energy

d)

Unbalanced Force

98.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger 
b)
smaller 
c)
equal 
d)
less
99.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
100.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
101.

A pattern of disturbance that travels through a substance from one location to another location.

a)

Wave

b)

Amplitude

c)

Wave Crest

d)

Wave Trough

e)

Wave Height

102.

The distance from the wave crest or trough to the equilibrium  Level

a)

Wave

b)

Amplitude

c)

Wave Crest

d)

Wave Trough

e)

Wave Height

103.

distance between two consecutive wave crests or between two consecutive wave troughs.

a)

Wave

b)

Amplitude

c)

Wave Length

d)

Wave Trough

e)

Wave Height

104.

The number of waves passing a fixed point in a specified period of time

a)

Wave Height

b)

Wave Length

c)

Wave Frequency

d)

Wave Trough

105.

Which letter represents the amplitude?

a)

A

b)

B

c)

C

d)

D

106.

Which of the following is a mechanical wave?

a)

X-Ray

b)

Gamma Ray

c)

Sound

d)

Light

107.

Which of the following is a mechanical wave?

a)

X-Ray

b)

Gamma Ray

c)

Sound

d)

Light

108.

A wave that can travel without a medium is called an ___________.

a)

Mechanical Wave

b)

Electromagnetic Wave

109.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
110.
What do waves carry from place to place?
a)
Energy, but not matter or particles
b)
Energy and matter or particles
c)
Matter or particles but not energy
d)
Neither energy nor matter or particles
111.

This is an example of light being -

a)

Absorbed

b)

Transmitted

c)

Reflected

112.

This is an example of light being -

a)

Absorbed

b)

Transmitted

c)

Reflected

113.

This is an example of light being -

a)

Absorbed

b)

Transmitted

c)

Reflected

114.

This is an example of light being -

a)

Absorbed

b)

Transmitted

c)

Reflected

115.

What statement is true about materials that reflect ALL light?

a)

the material appear white

b)

the material appear black

c)

the material appear clear

116.

What statement is true about materials that absorbs ALL light?

a)

the material appear white

b)

the material appear black

c)

the material appear clear

117.

What statement is true about materials that transmits ALL light?

a)

the material appear white

b)

the material appear black

c)

the material appear clear

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