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WorksheetsPhysical Science Review
Total questions: 75
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
What is energy?
a)
moving energy
b)
stored energy
c)
renewable energy
d)
The ability to do work.
2.
What is kinetic energy?
a)
moving energy
b)
potential energy
c)
stored energy
d)
renewable energy
3.
What is NOT a renewable energy source?
a)
coal
b)
wind
c)
solar
d)
water
4.
Which of these things is an example of potential energy?
a)
a car motor
b)
firewood
c)
battery
d)
a fan
5.
GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON
a)
MASS AND VELOCITY
b)
MASS AND WEIGHT
c)
WEIGHT AND HEIGHT
d)
HEIGHT AND DISTANCE
6.
WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?
a)
A BALL TRAVELING AT 10 M/S
b)
A COMPRESSED SPRING
c)
WATER BEING STORED AT A WATER DAM
d)
A STRETCHED RUBBER BAND
7.
YOUR BODY OBTAINS ENERGY FROM THE FOOD YOU EAT. WHAT IS THE FORM OF ENERGY IN FOOD?
a)
KINETIC
b)
ELASTIC
c)
GRAVITATIONAL
d)
CHEMICAL
8.
WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?
a)
NO MACHINE IS 100% EFFICIENT
b)
ENERGY IS NEITHER CREATED OR DESTROYED
c)
THE ENERGY RESOURCES OF EARTH ARE LIMITED
d)
THE ENERGY OF A SYSTEM IS ALWAYS DECREASING
9.
AS A ROLLER COASTER MOVES DOWN A HILL, POTENTIAL ENERGY IS CONVERTED INTO KINETIC ENERGY, THERMAL ENERGY, AND SOUND ENERGY. WHAT IS TRUE ABOUT THE TOTAL ENERGY OF THIS SYSTEM?
a)
ENERGY IS GAINED (CREATED) AS THE ROLLER COASTER MOVES
b)
ENERGY IS LOST (DESTROYED) AS THE ROLLER COASTER MOVES
c)
THE TOTAL ENERGY REMAINS THE SAME AS THE ROLLER COASTER MOVES
d)
THE TOTAL ENERGY CONSTANTLY CHANGES AS THE ROLLER COASTER MOVES
10.
An example of a physical property is
a)
flammability
b)
acidic
c)
color
d)
ability to rust
11.
What causes a change in the state of matter?
a)
physical properties
b)
chemical energy
c)
temperature
12.
Which of the following could be a characteristic that changes in matter during a PHYSICAL CHANGE?
a)
Size
b)
State
c)
Texture
d)
All of the above
13.
Water freezing to ice is an example of a:
a)
Physical change
b)
Chemical change
14.
In order for an atom to be neutral what has to be true?
a)
The atom has more protons than neutrons
b)
The atom has more neutrons than protons
c)
The atom has the same number of protons and neutrons
d)
The atom has the same number of protons and electrons
15.
Most of the mass in an atom is made up of _____________________?
a)
protons and electrons
b)
protons and neutrons
c)
neutrons and electrons
d)
electrons and quarks
16.
Place the following scientists in order, from earliest to latest: A) Enest Rutherford; B) J.J. Thomsonl C) John Dalton
a)
B, C, A
b)
C, A, B
c)
A, C, B
d)
C, B, A
17.
How are electrons arranged?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
18.
The atomic number represents the identity of the ________________.
a)
mass of the atom
b)
element
c)
electrons
d)
isotopes
19.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
20.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol
21.
What are valence electrons?
a)
Any of an atom's electrons
b)
Electrons located on the first energy level
c)
Electrons not attached to any atom
d)
electrons located on the outer energy level
22.
What category is silicon (Si) a part of?
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Halogens
23.
What Element is in period 4, group 15?
a)
Antimony
b)
Arsenic
c)
Tin
d)
Germanium
24.
How many neutrons does Bromine (Br) have?
a)
35
b)
80
c)
45
d)
7
25.
Which one of these is not a noble gas?
a)
Helium
b)
Radon
c)
Iodine
d)
Krypton
26.
A chemical change always results in the formation of a:
a)
explosion
b)
big mess
c)
new substance
d)
new state of matter
27.
Number of O's in 2Na₂CO₃
a)
6
b)
2
c)
3
d)
5
28.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
29.
How many Aluminum atoms are in Al2O3?
a)
3
b)
2
c)
5
30.
Which of the following statements is true concerning acids and bases?
a)
acids and bases don't react with each other
b)
acids mixed with bases neutralize each other
c)
acids mixed with bases make stronger bases
d)
acids mixed with bases make stronger acids
31.
Neutral solutions have a pH of:
a)
0
b)
1
c)
7
d)
14
32.
Ammonia is found in many household products, including window cleaner. What is the pH of ammonia?
a)
It's acidic.
b)
It's basic.
c)
It's neutral.
33.
Gain or lose electrons
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
34.
Between metals and nometals
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
35.
Share electrons
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
36.
Between nonmetals
a)
Ionic Bonds
b)
Covalent Bonds
c)
Both bonds
d)
Neither bond
37.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
a)
Hotter to colder
b)
Colder to hotter
c)
Hotter to hotter
d)
Colder to colder
38.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
39.
Which is the wavelength?
a)
1
b)
2
c)
3
d)
4
40.
What does a wave carry?
a)
boats
b)
matter
c)
energy
d)
water
41.
When wavelength increases, what happens to the frequency?
a)
it increases
b)
it decreases
c)
it stays the same
42.
Which wave has the largest frequency?
a)
A
b)
B
c)
C
d)
None (same frequency)
43.
Which type of light has the lowest energy of this group?
a)
Radio
b)
Microwave
c)
Infrared
d)
Ultraviolet
44.
Which type of light has the highest energy of this group?
a)
red
b)
yellow
c)
green
d)
blue
45.
How high or low a sound is; depends on the frequency (greater frequency= higher pitch)
a)
pitch
b)
frequency
c)
sound
d)
medium
46.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
47.
When light bends it is ______
a)
Reflection
b)
Absorption
c)
refraction
d)
optical density
48.
The graph below shows the number of sunny days and rainy days in a city during four months.
Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?
Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?
a)
21
b)
56
c)
26
d)
20
49.
When would you use a graph like this?
a)
To see changes over time
b)
To compare parts to a whole
c)
To compare categories
d)
To show frequency
50.
Describe the speed of the object from 4-6 seconds using the distance vs. time graph.
a)
Increasing speed
b)
Decreasing speed
c)
Not moving
d)
Constant speed
51.
Some motorcycles can go from 0 mi/hr to 60 mi/hr in under 4 seconds.
a)
Speed
b)
Acceleration
c)
Velocity
52.
Speed in a given direction is the definition of ____.
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
53.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
friction
54.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
55.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
56.
A person’s body is thrown outward as a car rounds a curve on a highway.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
57.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
58.
Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
59.
There are six major types of simple machines. Which of the following are all simple machines?
a)
lever ,wedge, inclined plane
b)
wheel and axle, screw, light
c)
magnet, wedge, inclined plane
d)
motor, inclined plane, wheel and axle
60.
Organic Compounds always contain
a)
Nitrogen
b)
Carbon
c)
Oxygen
d)
Sodium
61.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
62.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
63.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
64.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
65.
What is static electricity?
a)
the flow of electric charges
b)
the build-up of an electrical charge on a surface.
c)
the opposition of current flow.
66.
What is one problem with using a series circuit?
a)
It has a lot of series.
b)
If one goes down, they all go down!
c)
It doesn't work properly.
d)
There are no problems.
67.
How do you make an electromagnet stronger?
a)
Add a motor and/or lightbulbs
b)
Add more light bulbs and/or wire coils
c)
Add more wire coils and/or a switch
d)
Add more wire coils and/or batteries
68.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
69.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
70.
What can you use to make an electromagnet?
a)
Battery, nail and string
b)
Battery, pencil and wire
c)
Wire, battery and iron ore (nail)
d)
Peanut butter, lampshade, hand sanitizer
71.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
72.
Two atoms of the same element but with different mass numbers are called________
a)
electrons
b)
isotopes
c)
ions
d)
reaction partners
73.
It is the energy producing reaction that takes place in our sun and other stars.
a)
Fission
b)
Chain Reaction
c)
Fusion
74.
The splitting of a nucleus into smaller fragments accompanied by the release of neutrons and a large amount of energy
a)
Fusion
b)
Fission
c)
Chain Reaction
75.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
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