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Physical Science 2nd Term Final

Total questions: 94

Worksheet time: 8hrs 50mins

Name
Class
Date
1.
Newton's first Law of motion
a)
Inertia
b)
F=mxa
c)
Action Reaction
d)
Conservation of energy
2.
Newton's second Law of motion
a)
Inertia
b)
F=mxa
c)
Action Reaction
d)
Conservation of energy
3.
Newton's third Law of motion
a)
Inertia
b)
F=mxa
c)
Action Reaction
d)
Conservation of energy
4.
A single point in a speed distance time graph shows 
a)
Average position
b)
Instantanious time
c)
Changing velocity 
d)
Instantaneous speed
5.
If you run down a road 50 meters then walk back half way your distance traveled would be?
a)
100m
b)
50m
c)
75m
d)
25m
6.

What will happen to an object if it is put into motion in space?

a)

It will eventually stop

b)

It will continue to move until it is acted on by an unbalanced force

c)

It will speed up

d)

It will burst due to high pressure

7.

Your bicycle begins to slow down when you stop peddling. What is at work?

a)

Weight

b)

Friction

c)

Centrifugal Force

d)

All of the above

8.

A dog’s wagging tail knocks over the cup of pencils sitting on your desk. What kind of force is his tail?

a)

Balanced

b)

Unbalanced

c)

Frictional

d)

Angular

9.

Newton’s second law of motion can be written as

a)

F = ma

b)

a = F/m

c)

F = mc2

d)

F = am

10.

What is another name for Newton’s 3rd law?

a)

Law of Acceleration

b)

Law of Inertia

c)

Law of Action / Reaction

11.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
12.
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)
13.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Kilograms
14.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
15.
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
16.

How many laws of motions are there?

a)

6

b)

7

c)

3

d)

5

17.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

18.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
19.
What is energy transformation?
a)
a change of energy from one form to another
b)
when energy gets more energy added to it
c)
when energy gets destroyed
d)
a change in intensity
20.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
21.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
22.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
23.
In a car accident, a passenger not wearing a seat belt may crash through a windshield because of his or her inertia.
a)
False
b)
True
24.

What is the action force in the picture? (Hint: the force that causes the motion.)

a)

The rocket moving upward.

b)

The gasses from the rockets pushing downward.

c)

The wind rushing upward past the shuttle wings.

d)

An amazing feat or sorcery and wizardry!

25.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
26.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
27.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
28.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
29.
On a roller coaster, where is maximum potential energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
30.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
31.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
32.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
33.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
34.
Stored energy is called ______ energy.
a)
Kinetic
b)
Potential
c)
Pacific
d)
Safe
35.

Steam is an example of _____________energy.

a)

light

b)

thermal

c)

sound

d)

electrical

36.

A windmill is an example of ________________energy.

a)

thermal

b)

mechanical

c)

light

d)

electrical

37.

When energy changes from one form to another, we call it a _______________.

a)

transformation

b)

creation

c)

expiration

d)

compilation

38.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
39.
__________ energy is the energy due to an object's position or condition
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
40.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
both
d)
neither
41.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
42.
Which point has the most potential energy?
a)
D
b)
F
c)
B
d)
A
43.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
44.
What is happening to the energy of the girl from point A to point B
a)
kinetic changes to potential
b)
potential changes to kinetic
c)
energy is lost
d)
energy is gained
45.
The law of conservation of energy means ________________________
a)
Energy CAN be created and destroyed or transformed
b)
Energy can be used up or transformed
c)
Energy CANNOT be created or destroyed, only transformed
d)
Energy cannot be transformed
46.
Why won't the roller coaster reach over the second hill?
a)
because it is going slow
b)
because energy cannot be created
c)
because it is going fast
d)
because energy cannot be destroyed
47.
Why can't the skater reach the same point where he was released when he goes up the other side of the ramp?
a)
because he is heavy
b)
because his mass is slowing him down
c)
because he gets tired
d)
because friction is slowing him down
48.

A bicycle is an example of what type of energy?

a)

Mechanical

b)

Heat

c)

Light

d)

Sound

49.

A computer uses what type of energy to operate?

a)

Mechanical

b)

Light

c)

Electric

d)

Sound

50.

Which is an example of light energy?

a)

lawn mower

b)

blender

c)

flash light

d)

speaker

51.

This is an example of sound energy.

a)

headphones

b)

traffic light

c)

sun

d)

tv

52.

Mechanical energy is

a)

Lawn mower

b)

gears

c)

scissors

d)

hammer

e)

All of the above

53.

Electrical Energy is all EXCEPT

a)

Fireplace

b)

blender

c)

computer

d)

tv

54.

Which one is an example of THERMAL ENERGY?

a)

Fireplace

b)

Sunlight

c)

campfire

d)

stove

e)

All of the above

55.

Drumming and playing the guitar are an example of:

a)

Thermal energy

b)

Light energy

c)

Sound energy

d)

Electrical energy

56.

All of the following are forms of energy EXCEPT

a)

Mechanical Energy

b)

Heat Energy

c)

Light Energy

d)

Rock Energy

57.

Another name for stored energy is

a)

kinetic energy

b)

potential energy

c)

light energy

d)

sound energy

58.

Energy in motion is:

a)

Potential Energy

b)

Heat Energy

c)

Electric

d)

Kinetic Energy

59.

The picture shows what type of transformation

a)

Electrical to mechanical

b)

light to electric

c)

electrical to light

d)

light to light

60.

What type of transformation is shown in the picture

a)

potential to kinetic

b)

kinetic to potential

c)

potential to light

d)

potential to sound

61.
Which of the following is not an example of sound energy.
a)
A muted phone
b)
A chicken clucking
c)
dogs barking
d)
kids screaming in the park
62.
Kylin pulls his comforter up over his head because his room is very bright.  What form of energy is Kylin trying to get away from by pulling the covers over is head.
a)
Heat
b)
Light
c)
Mechanical
d)
Sound
63.
Ni'Kylah left her popsicle outside on her back porch.  The day was very sunny.  When she came back an hour later he noticed her popsicle was now in liquid form.  What most likely happened to Ni'Kylah's popsicle?
a)
The popsicle was melted by the heat from the lamp on the wall.
b)
The popcicle was melted by he heat and light energy from the Sun.
c)
The popsicle was melted from the light energy from the sun.
d)
The popsicle was frozen from the heat and light from the sun.
64.
Bradley has a manual can opener.  Bradley has to turn the lever on the can opener in order for the blade to turn and open up the can.  Which form of energy does the lever possess as Bradley turns it?
a)
Electrical energy
b)
Sound energy
c)
Mechanical energy
d)
Light energy
65.
A battery converts what type of energy to another?
a)
electrical to chemical
b)
electrical to thermal
c)
mechanical to electrical
d)
chemical to electrical
66.
What energy transformation occurs when an oven is powered on?
a)
Electrical -->Thermal
b)
Thermal --> Electrical
c)
Chemical -->Electrical--> thermal
d)
Electrical --> chemical 
67.
A boy skating downhill on a skateboard is transforming —
a)
potential energy into kinetic energy
b)
kinetic energy into potential energy
c)
thermal energy into potential energy
d)
kinetic energy into chemical energy 
68.
An apple hanging from the branch of a tree falls down.  How does its energy change as it falls?
a)
The kinetic energy of the apple converts to potential energy.
b)
The potential energy of the apple coverts to kinetic energy.
c)
The kinetic energy of the apple remains constant.
d)
The potential energy of the apple remains constant.
69.
At which point will the skater have the least potential energy?
a)
Point A
b)
Point B
c)
Point C
d)
Point A and C
70.
Why is person B having a hard time moving down the hill?
a)
Person B has more friction than person A.
b)
Person B has the same friction as person A.
c)
Person B is out of shape.
d)
Person B has less friction has person A.
71.
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.
72.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
73.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
74.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
75.
The SI Unit of force is
a)
Pascal
b)
Meter/second
c)
Newton
d)
kg
76.
A box slides across a perfectly smooth floor at a constant velocity. (The phrase "perfectly smooth" suggests that there is NO friction). What forces act on the box?
a)
tension, gravity
b)
tension, gravity, normal force
c)
tension, gravity, normal force, friction
d)
gravity, normal force, friction
77.
Which one is balanced?
a)
top
b)
bottom
c)
both
d)
neither
78.
Find the net force: 15 N to the right, and another 15 N to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
79.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
80.

You and your friend are playing tug of war. Your friend pulls with a force of 55 N to the right. You pull with a force of 65 N to the left. What is the net force on the rope?

a)

10 N left

b)

20 N

c)

10 N left

d)

10 N right

81.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
82.
What is the formula for work?
a)
W=F*D
b)
W=F/D
c)
W=F-D
d)
W=F+D
83.

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

a)
b)
c)
d)
84.

A rightward force is applied to a dresser to accelerate it to the right across the bedroom floor.

a)
b)
c)
d)
85.

A downward-moving skydiver who has just opened the parachute is slowing down.

a)
b)
c)
d)
86.
Is the force of gravity on the diver a push or a pull?
a)
push
b)
pull
87.
Will it take more force to push an empty shopping cart or a shopping cart that is full?
a)
The empty shopping cart
b)
The full shopping cart
c)
They will take the same amount of force
88.
A ramp.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
89.
Mechanical Advantage:  To drive objects apart.
a)
Pulley
b)
Inclined Plane
c)
Wedge
d)
Wheel and Axle
90.
Something similar to a see-saw that can lift an object.
a)
Wedge
b)
Screw
c)
Lever
d)
Wheel and Axle
91.
Something that can hold things together or lift an object.
a)
Wheel and Axle
b)
Lever
c)
Screw
d)
Pulley
92.
Name this simple machine. 
a)
Wheel and Axle
b)
Lever
c)
Pulley
d)
Wedge
93.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
94.

Convert 72⁰F to Celsius (5/9 x (0F - 32))

a)

2.2⁰C

b)

222⁰C

c)

22.2⁰C

d)

161.6⁰C

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