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Physical Science 1st Semester Final

Total questions: 70

Worksheet time: 2hrs 25mins

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 potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

3.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

4.

units of force are

a)

newtons

b)

grams

c)

joules

d)

meters

5.

units for work are

a)

newtons

b)

joules

c)

meters

d)

seconds

6.
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
7.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
8.

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

9.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

10.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

11.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

12.

What is this?

a)

Light bulb

b)

Battery

c)

Switch

d)

Wire

13.

The _______________ is transformed into electrical energy inside the battery.

a)

Chemical energy

b)

Sound energy

c)

Kinetic energy

d)

Sun energy

14.

At what point does the biker have the greatest Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

15.

At what point does Potential Energy transform into Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

16.

Which Apple has the greatest Gravitational Potential Energy?

a)

Apple A

b)

Apple B

c)

Apple C

d)

Apple D

17.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
18.

Potential energy depends on ______ and _______.

a)

height, mass

b)

weight, mass

c)

speed, mass

d)

height, speed

19.

Kinetic energy depends on_________ and _________.

a)

speed and mass

b)

speed and height

c)

height and mass

d)

energy and height

20.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
21.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
22.
What type of circuit is pictured?
a)
series
b)
parallel
23.

is the opposition to the flow of charges in a material.

a)

Resistance

b)

Voltage

c)

Time

d)

Current

24.

What would happen if in a circuit, the resistance increases but the voltage stays the same?

a)

The current would decrease

b)

The current would increase

c)

The voltage would decrease

d)

The voltage would increase

25.

What would happen if in a circuit the voltage is increase?

a)

The time would increase

b)

The current would increase

c)

The current would decrease

d)

The current would stay the same

26.

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

a)

It will stay lit

b)

It will go out

c)

It will get dimmer

d)

It will dissapear

27.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
28.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
29.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
30.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
31.
What is a pitch?
a)
highness or lowness of a sound
b)
the intensity of a vibration
c)
the amplitude of the sound wave
d)
volume of sound
32.

Bats use ________ to locate mosquitoes in the air.

a)

solar

b)

ecology

c)

echolocation

d)

refraction

33.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
34.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
35.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
36.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
37.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
38.
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
39.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
40.

Which one of Newton's laws are displayed

a)

2nd law

b)

1st law

c)

3rd law

41.

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

a)

2nd law

b)

1st law

c)

3rd law

42.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

43.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
44.

Which one of Newton's Laws is the picture showing?

a)
1st
b)
2nd
c)
3rd
45.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
46.

An object that is in free fall seems to be __________________.

a)

weightless

b)

not moving

c)

air resistance

47.

Acceleration due to gravity is:

a)

.98 m/s^2

b)

98 m/s^2

c)

9.8 m/s^2

d)

980 m/s

48.

The maximum speed an object will reach when falling through a substance.

a)

air resistance

b)

gravity

c)

terminal velocity

d)

acceleration

49.

A 50 kg skater pushed by a friend accelerates 5 m/s2. How much force did the friend apply?

a)

250 N

b)

10 N

c)

250 kg

50.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.
51.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
52.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
53.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
54.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
55.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
56.

___ refers to how fast an object is moving.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

57.

___ refers to the rate at which an object changes position.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

58.

Which two factors does speed depend on?

a)

distance and direction

b)

direction and time

c)

distance and time

d)

distance, time and direction

59.

What two factors does velocity depend on?

a)

speed and direction

b)

distance and time

c)

speed and time

d)

distance and direction

60.

Which is an example of velocity?

a)

A car driving 55 miles per hour south.

b)

A bicyclist traveling 10 meters per hour.

c)

A roller coaster is traveling 10 meters per second.

d)

A rocket blasting off at 2,500 meters per second.

61.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

62.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

63.

The factors that stay the same throughout the experiment.

a)

Constant

b)

Dependent Variable

c)

Independent Variable

64.

The SI unit for measuring length is the __________.

a)

meter

b)

kilogram

c)

liter

d)

Newton

e)

second

65.

The SI unit for mass is the ___________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

66.

The SI unit for volume is the __________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

67.

Convert 43 m to cm.

a)

4,300 cm

b)

0.43 cm

c)

43,000 cm

d)

0.0043 cm

68.

Convert 2.2 kg to mg.

a)

2,200,000 mg

b)

0.0000022 mg

c)

2,200 mg

d)

0.0022 mg

69.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
70.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment

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