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Physics Semester Final Review

Total questions: 54

Worksheet time: 3hrs 40mins

Name
Class
Date
1.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
2.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
3.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
4.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
5.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
6.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
7.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
8.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
9.
In order for an electromagnet to be formed, an __________ current must pass through a coil of __________ wrapped around an ________ core.
a)
wire, iron, electric
b)
electric, wire, iron
c)
iron, electric, wire
d)
excited, hair, apple
10.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
11.
Specific heat is....
a)
The measure of kinetic energy of an objects particles
b)
A measure of the energy needed to increase the average kinetic energy of the particles
c)
The heating caused by the motion of flluid due to temperature difference
d)
The transfer of energy by electromagnetic radiation
12.
How many Joules of energy are required to change 10 gram of liquidwater from 20 C to 90 C?
a)
1400 J
b)
2800 J
c)
210,000 J
d)
1,400,000 J
13.
The specific heat of aluminum is 0.21 J/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
a)
105 J
b)
10.5 J
c)
1.05 J
14.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
15.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
16.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
17.
The shortest wavelength in visible light is______.
a)
violet
b)
red
c)
blue
d)
yellow
18.
This wave has the second highest frequency on the spectrum. 
a)
microwaves
b)
visible light
c)
x-rays
d)
gamma ray
19.
The higher the frequency the ______ the energy. 
a)
higher
b)
lower
c)
neither, stays the same
20.
How often a wave occurs is the wave's __________________
a)
crest
b)
frequency
c)
wavelength
d)
resting point
21.
The distance between 2 corresponding parts of a wave  (example- crest to crest) is its _____________________
a)
trough
b)
frequency
c)
amplitude
d)
wavelength
22.
The frequency of a wave is measured in __________________. 
a)
inches
b)
hertz
c)
periods
d)
eras
23.
Any material that a wave travels through is called a ____________________.
a)
vibration
b)
compression
c)
medium
d)
crest
24.
In what type of wave does the medium vibrate parallel to the direction of the wave?
a)
surface wave
b)
longitudinal wave
c)
transverse wave
d)
electromagnetic wave
25.
In what type of wave does the medium move perpendicular to the movement of the wave?
a)
Transverse
b)
Longitudinal
c)
Electromagnetic
d)
Radio
26.
In longitudinal waves, the parts where the coils are spread apart are called what?
a)
rarefactions
b)
compressions
c)
mechanicals
d)
longitudes
27.
What number represents the amplitude?
a)
1
b)
2
c)
3
d)
4
28.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

29.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

30.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

31.

Henry sees a basketball and decides to put in motion. What kind of force does Henry use to move the ball?

a)

small

b)

balanced

c)

equal

d)

unbalanced

32.

Which activity would BEST demonstrate Newton's law of Inertia?

a)

A plate sits on a table top.

b)

A lady pushes a grocery cart.

c)

A child jumps on a trampoline.

d)

A boy swings a baseball bat.

33.

Which activity would BEST demonstrate the Law of Action/Reaction?

a)

A car traveling down the road.

b)

A rocket launching to space.

c)

A soccer ball sitting on the ground.

d)

A lady pushing a grocery cart.

34.

Which activity would BEST demonstrate the Law of Force and Acceleration?

a)

A lady pushes a grocery cart.

b)

A boy swings a baseball bat.

c)

A soccer ball sits on the ground.

d)

A rocket launches into space.

35.

A force that opposes motion between objects that are touching is called...

a)

motion

b)

friction

c)

velocity

d)

acceleration

36.

When there is an INCREASE in MASS of an object you will have a DECREASE in ______________.

a)

friction

b)

acceleration

c)

force

d)

gravity

37.

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?

a)

2nd Law

b)

1st Law

c)

3rd Law

38.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
39.
Which runner won the race?
a)
A
b)
B
c)
C
40.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
41.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
42.
How fast is the object traveling between points B and C?
a)
1 km/hr
b)
0 km/hr
c)
There is no way to tell from this graph
d)
0.9 km/hr
43.
What does the flat line mean for Charlie?
a)
He stayed at the same speed
b)
He slowed down
c)
He stopped running 
d)
He stayed at the same speed but at a slower rate
44.

Two factors that determine work are

a)

force

b)

acceleration

c)

mass

d)

distance

e)

velocity

45.

units of force are

a)

newtons

b)

grams

c)

joules

d)

meters

46.

if you push a cart with a force of 60 N for 2 m... how much work have you done

a)

120 J

b)

30 J

c)

120 N

d)

30 N

47.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
48.

If the mystery machine moves 100 meters how much work is done?

a)

130,000,000J

b)

70,000J

c)

100,000J

d)

30,000J

49.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
50.
How does a single fixed puled, like the one seen here, help you do work?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
51.
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?
a)
1
b)
10
c)
100
d)
1000
52.
What is the mechanical advantage of the block and tackle used to lift the bale of cotton?
a)
1
b)
2
c)
3
d)
4
53.

This 2000 N weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope?
a)
500 N
b)
1000 N
c)
2000 N
d)
8000 N
54.
A 10 Newton effort force is required to lift a 10 kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever? [The fulcrum is placed 0.5m from the box.]
a)
0.5 N
b)
2.0 N
c)
5.0 N
d)
8.0 N

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