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Physical Science Final

Total questions: 91

Worksheet time: 1hrs 22mins

Name
Class
Date
1.
The amount of matter in an object is a measure of the object's ________________.
a)
volume
b)
density
c)
mass
d)
solubility
2.
What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.
a)
3 mL
b)
23 mL
c)
20 mL
d)
43 mL
3.
What is the most dense metal?
a)
Aluminum 
2.7 g/cm3
b)
Steel
7.14 g/cm3
c)
Nylon
1.2 g/cm3
d)
Copper 
8.14 g/cm3
4.
How are the particles moving in liquids?
a)
Sliding past one another
b)
moving past one another with great speed
c)
vibrating in a fixed postion
5.
Water can be a solid, liquid, and a gas.
a)
True
b)
False, liquid only
c)
False, solid & liquid only
6.

What is needed for matter to change states?

a)

bonds

b)

protons

c)

energy

d)

power

7.

A __________ contains atoms of two or more different elements.

a)

element

b)

compound

c)

atom

d)

molecule

8.

An __________ is composed entirely of one type of atom

a)

atom

b)

proton

c)

electron

d)

element

9.

A __________ is a particle with a positive charge.

a)

electron

b)

neutron

c)

proton

d)

atom

10.

1. An __________ is a particle with a negative charge.

a)

electron

b)

proton

c)

neutron

d)

atom

11.

1. A __________ is a neutral particle and has a zero charge.

a)

proton

b)

electron

c)

neutron

d)

atom

12.

Electrons are bound to the nucleus by _______________ ____________.

a)

electron force

b)

electromagnetic force

c)

proton force

d)

energy force

13.
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
14.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
15.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
16.
Which type of bond has a transfer of an electron from on atom to another?
a)
Polar Covalent 
b)
Non Polar Covalent
c)
Ionic
d)
Metallic
17.
What type of bond is formed between Calcium and Chlorine?
a)
Ionic Bond
b)
Polar Covalent Bond
c)
Non Polar Covalent Bond
d)
Metallic Bond
18.
Covalent compounds
a)
Share electrons
b)
transfer electrons
c)
contain a sea of electrons
d)
conduct electricity
19.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
20.
Why must chemical equations be balanced?
a)
So that the equation doesn't explode
b)
The reaction won't happen until it is balanced
c)
Matter cannot be created or destroyed
d)
None of these
21.
In the equation,
2Mg + O2 --> 2MgO
which are the reactants?
a)
Mg and O2
b)
MgO
c)
Mg and MgO
d)
O2 and MgO
22.
LiBr is called
a)
lithium bromine
b)
lithium (I) bromine
c)
lithium bromide
d)
lithuim (I) bromide
23.

Give the formula for diphosphorus pentafluoride

a)

P3F

b)

P2F5

c)

PF3

d)

P3F3

24.
What is a change in speed, velocity or direction called?
a)
velocity
b)
acceleration
c)
speed
d)
force
25.
What is the international standard unit for speed?
a)
mi/h
b)
km/h
c)
m/s
d)
Newtons
26.
What causes a change in motion on an object?
a)
balanced force
b)
unbalanced force
c)
balanced mass
d)
unbalanced mass
27.
What is the measure of gravitational force exerted on an object called?
a)
mass
b)
weight
c)
gravity
d)
force
28.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
29.

If these boys 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.

30.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
31.

What is the net force on the block? (click on the picture to view it)

a)

5 Newtons up

b)

5 Newtons down

c)

15 Newtons up

d)

15 Newtons down

32.

Materials that can flow and take the shape of their containers include…

a)

Both gases & liquids

b)

Liquids

c)

Gases

d)

Neither gases nor liquid

33.

A helium-filled balloon will float in air because…

a)

There is more air than helium

b)

Helium is less dense than air

c)

Helium is as dense as air

d)

Helium is more dense than air

34.

The upward force that fluids exert on all matter.

a)

Pascal

b)

Fluid

c)

Atmospheric

d)

Buoyant

35.

Fluid pressure increases as depth increases.

a)

True

b)

False

36.

Flooding the ballast tanks of a submarine will cause it to float.

a)

True

b)

False

37.
Two examples of a pulley...
a)
knife & axe blade
b)
lightbulb & screw
c)
flagpole hoist & window blinds
d)
catapult & teeter totter
38.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
39.
An inclined plane wrapped around a rod forms this simple machine 
a)
lever
b)
pulley
c)
screw
d)
wedge 
40.

A simple machine that consists of a rigid bar that pivots about a fixed point

a)

lever

b)

pulley

c)

wheel and axle

d)

fulcrum

41.
Which of the following is due to the random motion of particles?
a)
kinetic energy
b)
nuclear energy
c)
thermal energy
d)
sound energy
42.
Which energy is caused by an object's vibrations? 
a)
thermal energy
b)
electrical energy
c)
chemical energy
d)
sound energy
43.
What do you call change from one form of energy to another?
a)
energy change
b)
conversion of power
c)
energy conversion
d)
energy transfer
44.
In photosynthesis, what type of energy is used to make a new substance?
a)
sound energy
b)
light energy
c)
thermal energy
d)
chemical energy
45.
What is a force that opposes motion between two surfaces that are touching?
a)
friction
b)
kinetic energy
c)
nuclear fission
d)
electrical energy
46.

When you eat fruits and vegetables, what type of energy are you taking in?

a)

thermal

b)

sound

c)

electrical

d)

chemical

47.

When is the kinetic energy greatest in a roller coaster?

a)

at the bottom of the first hill

b)

at the top of the first hill

c)

at the top of the second hill

d)

at the bottom of the second hill

48.
Which of the following is a renewable resource?
a)
coal
b)
water
c)
natural gas
d)
petroleum
49.
After a bow is stretched it has _____.
a)
potential energy
b)
energy
c)
kinetic energy
d)
mechanical energy
50.

How is electricity measured and billed by the power company?

a)

watts

b)

kilowatts

c)

watt hours

d)

kilowatt hours

51.

which location would be best for solar energy?

a)

Arizona

b)

Oklahoma

c)

Hawaii

d)

Colorado

52.

Which renewable energy does not require spinning a turbine?

a)

hydroelectric

b)

wind

c)

tidal

d)

photovoltaic cells

53.

Which of the following are the most energy efficient light bulbs?

a)

incandescent

b)

compact florescent

c)

LED

d)

halogen

54.

You use an LED light bulb that consumes 7 watts that you use for 8 hours in a day. How much would it cost you to run for a month (30 days) if the energy company charges $.11 per KwHr?

a)

$.056

b)

$.18

c)

$.25

d)

$8.4

55.
The lowest possible temperature is
a)
0 F
b)
0 K
c)
0 C
d)
273 K
56.
thermal energy that flows between an object at a higher temperature to an object at a lower temperature
a)
radiation
b)
thermal expansion
c)
specific heat
d)
heat
57.
material that reduces the transfer of thermal energy to a building in summer or from a building in winter
a)
conductor
b)
insulation
c)
heat
d)
radiation
58.
The ____________ is the energy that flows from the battery, through the wire in it’s path through the circuit.
a)
Electric Current
b)
Conductor
c)
Electromagnet
d)
Insulator
59.

Is the circuit pictured open or closed?

a)

Closed

b)

Open

60.
What kind of circuit is this?
a)
series
b)
parallel
61.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
62.
A material in which electrons are not able to move easily 
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
63.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
64.
When is it OK to eat or drink in the lab?
a)
Always
b)
Never
65.
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
66.
All chemicals in the lab are to be considered dangerous
a)
True
b)
False
67.
The factors in an experiment that can be changed. 
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
68.
A possible explanation to a problem that is written as if/then statement. 
a)
data
b)
theory
c)
hypothesis
d)
fact
69.
What energy do you put IN to a generator?
a)
Mechanical
b)
Electrical
c)
Thermal
d)
Potential
70.
What type of energy comes OUT of a generator?
a)
Mechanical
b)
Electrical
c)
Thermal
d)
Potential
71.

What property of this wave is represented by the letter "A"

a)

amplitude

b)

crest

c)

trough

d)

wavelength

72.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
73.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
74.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
75.

__________ is how high or low a sound seems to be.

a)

decibel

b)

Intensity

c)

Pitch

d)

Loudness

76.

_____?______ materials do not allow light waves to pass through.

a)

Opaque

b)

Transparent

c)

Translucent

77.
Regulates the amount of light entering the eye and gives the eye its color.
a)
Iris
b)
Lens
c)
Pupil
d)
Retina
78.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
79.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
80.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
81.
What is Nearsightedness? 
a)
condition that has difficulty seeing things that are close 
b)
condition that has difficulty seeing things that are far away
82.

_____?_____ materials allow some light to partially pass through, but not in a straight path.

a)

Opaque

b)

Transparent

c)

Translucent

83.

_____?_____ materials allow light waves to pass through easily.

a)

Opaque

b)

Transparent

c)

Translucent

84.
Identify the equipment shown here:
a)
beakers
b)
flasks
c)
decanters
d)
graduated cylinders
85.
Identify the equipment shown here:
a)
graduated cylinder
b)
Erlenmeyer flask
c)
beaker
d)
volumetric flask
86.
In large generators in power plants, ___________ rotate inside a coil of wire to produce an electric current.
a)
Wind
b)
Water
c)
Magnets
d)
Circuits
87.
The basic unit of matter is
a)
a mixture
b)
a substance
c)
an atom
d)
a compound
88.
Which of these is a pure substance?
a)
bread
b)
table salt
c)
garden soil
d)
sea water
89.
Whenever one form of energy is converted into another form, some of the original energy is always converted into which type of energy?
a)
light
b)
thermal
c)
kinetic
d)
sound
90.

The discovery and improvement of this material revolutionized the electronics industry and allowed for smaller and faster devices.

a)

Transistors

b)

Vacuum Tubes

c)

Semiconductors

d)

Transformers

91.
The shape of an airplane wing causes the air above the wing to travel slower than the air below the wing.
a)
True
b)
False

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