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Physical Sci Test Review HW ( Energy, Circuits, Simple Machines)

Total questions: 55

Worksheet time: 41mins

Name
Class
Date
1.
The ability to do work is
a)
power
b)
energy
c)
thermal
d)
kinetic
2.
Give the type of energy when something moves
a)
a) Gravitational
b)
b) Elastic
c)
c) Kinetic�
d)
d) Chemical �
3.
Which statement is correct?
a)
a) Energy is always lost as energy changes are terribly inefficient.
b)
b) Energy is never lost it merely changes type and becomes less useful.
c)
c) Energy is never lost as it can always be recovered.
d)
d) Energy is usually lost in old products as they are inefficient.
4.
Which keyword is described as 'when energy can be 'stored' and used in the future'?
a)
a) Transducer
b)
b) Hoarded
c)
c) Potential
d)
d) Transmuter
5.
What type of energy includes both kinetic and potential energy?
a)
mechanical energy
b)
chemical energy
c)
heat energy
d)
sound energy
6.

What kind of energy is in this picture?

a)

Solar

b)

Wind

c)

Chemical

d)

Green

e)

Kinetic

7.
Heat energy is also called
a)
electrical energy
b)
chemical energy
c)
light energy
d)
thermal energy
8.

What type of energy is shown in the picture?

a)

Chemical Energy

b)

Wind Energy

c)

Electric Energy

d)

Kinetic Energy

e)

Solar Energy

9.

What kind of energy is in this picture?

a)

Solar

b)

Chemical

c)

Mechanical

d)

Wind

10.

What kind of energy is in this picture?

a)

Green Energy

b)

Chemical Energy

c)

Wind Energy

d)

Potential energy

11.

What kind of energy is in this picture?

a)

Water Energy

b)

Mechanical Energy

c)

Green Energy

d)

All are correct

12.

What kind of energy is shown in this picture?

a)

electric

b)

chemical

c)

Potential

d)

Wind

13.

What type of energy is shown in this picture?

a)

Solar

b)

Kinetic

c)

Mechanical

d)

Chemical

14.

What does this picture show?

a)

Wind be converted to electric energy.

b)

Sun being converted into electric energy

c)

Water being converted into electric energy

d)

Green energy being converted to wind energy

15.

Which best describes how the energy is being converted.

a)

Chemical energy is being converted to thermal and light energy

b)

Chemical energy is being converted to thermal energy

c)

Chemical energy is being converted to light energy

d)

Chemical energy is being converted into electric energy.

16.

How does the law of conservation of energy applied to this image.

a)

It is not applied.

b)

Potential energy is changing to kinetic energy and vice versa.

c)

Potential Energy is changing to Mechanical Energy.

d)

Kinetic energy is being changed to Electric Energy.

17.

The law that states that energy can not be created or destroyed, it only changes form is which of the following?

a)

The law of conservation of energy

b)

The law of conservation of momentum

c)

Newton's law of energy transformation

d)

Gamp's Law of Elemental Transfiguration

18.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
19.
Which skier has greater gravitational potential energy? 
a)
Skier 1
b)
Skier 2
20.

What kind of energy is does the girl have at point B?

a)

Potential

b)

Kinetic

21.
Which best describes the energy at point #4?
a)
Maximum potential energy
b)
Maximum kinetic energy
c)
Increasing potential energy and decreasing kinetic energy
d)
Increasing kinetic energy and decreasing potential energy 
22.

At what point does Potential Energy transform into Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

23.

Which Apple has the greatest Gravitational Potential Energy?

a)

Apple A

b)

Apple B

c)

Apple C

d)

Apple D

24.
What type of circuit is shown in this picture? 
a)
Parallel
b)
Series 
c)
Simple 
25.
Which circuit is a parallel circuit? 
a)
H
b)
J
c)
Neither 
26.
What kind of circuit is shown in this picture? 
a)
Simple
b)
Series 
c)
Parallel 
27.
A student began building a circuit to light a bulb.  What else does the student need to produce light?
a)
a battery that has energy
b)
a wire that is insulated
c)
a switch that is open
d)
another bulb of the same size
28.
This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -
a)
the switch gives energy to the battery
b)
the buzzer is made of special plastic
c)
the wires are cooled by the surrounding air
d)
electricity can flow in a complete path
29.
An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —
a)
Point D to Point C
b)
Point B to Point C
c)
Point A to Point D
d)
Point B to Point D
30.
A student attached the parts as shown here and the bulb did not light.
The most likely reason the bulb does not light is because -
a)
batteries can’t provide electric energy
b)
the flow of electricity can’t make a bulb light
c)
the switch must be open for electricity to flow
d)
yarn does not conduct electricity
31.
Will this configuration of a complete circuit and light a bulb?
a)
yes
b)
no
32.
Will this configuration of a complete circuit light a bulb?
a)
yes
b)
no
33.
This circuit won't work. What essential part is missing from this circuit?
a)
resistance
b)
source of electric current
c)
conductor
d)
ammeter
34.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
35.
The best conductors for electricity are made of...
a)
wood
b)
plastic
c)
rubber
d)
metal
36.
What slows down the flow of electricity in a circuit?
a)
resistance
b)
voltage
c)
current
d)
source of electric current
37.
Security alarms are made of _______ circuits because they turn on when the circuit is broken.
a)
Parallel
b)
Series 
c)
Fancy 
38.

Which of your vocabulary terms is an item that does not allow electrical current to flow through it?

a)

Conductor

b)

Insulator

c)

Resistance

d)

Amps

39.

The speed at which the current is flowing is which term?

a)

Voltage

b)

Amps

c)

Resistance

d)

Ohms

40.

The power&force of the current, not the speed, is which of your vocabulary terms?

a)

Voltage

b)

Amps

c)

Ohms

d)

Conductor

41.
How does a screw make work easier? 
a)
It changes the distance of the input force.
b)
It changes the direction of the input force. 
c)
It increases the effect of the input force. 
d)
In changes the distance and direction of the force being applied. 
42.
How does a pulley make work easier? 
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied.
c)
It changes the amount of the input force applied 
d)
It changes direction and increases the effect of your input force
43.
How does a wheel axle make work easier? 
a)
It increase the distance over which the input force is applied.
b)
It changes the direction of the input force.
c)
It increases the input force.
d)
It increase the input force and change the distance over which it is applied. 
44.
How does an inclined plane make work easier? 
a)
It changes the direction of the input force. 
b)
It changes the distance over which the the input force is applied.
c)
It increase the effect of the input force.
d)
It changes the distance and direction of the input force. 
45.
How does a wedge make work easier? 
a)
It changes the direction of the input force.
b)
It changes the distance over which the input force is applied. 
c)
It increase the effect of the input force.
d)
It changes the direction of the input force and increase its effect. 
46.
How does a lever make work easier? 
a)
It increases the distance over which the input force is applied. 
b)
It increases the direction of the input force.
c)
It increases the effect of the input force.
d)
It changes the direction of the input force and increases the effect of the input force. 
47.

What reduces the efficiency of a simple machine? 

a)
Heat
b)
Friction 
c)
Mechanical Advantage 
d)
Input Force
48.

Which of your terms is how much easier work becomes due to simple machine usage?

a)

Mechanical Advantage

b)

Work

c)

Ideal Mechanical Advantage

d)

Actual Mechanical Advantage

49.

How many ways to simple machines make work easier?

a)

3

b)

2

c)

4

d)

5

50.

Which of the following is not a way that simple machines make work easier?

a)

They change the direction of the applied force.

b)

They amplify the applied force.

c)

They change the distance of which the applied force travels.

d)

They change the amount of friction the applied force experiences.

51.
If I lift a 500N object 2m off the ground, am I doing work? 
a)
Yes
b)
No
52.
What two simple machines are found in this nail clipper?
a)
Wedge and inclined plane 
b)

Wedge and ever

c)

Wedge and Wheel and Axle

d)

Lever and inclined plane 

53.
Lightbulb
a)
wedge
b)
pulley
c)
incline plane
d)
screw
54.
Stairs
a)
wedge
b)
pulley
c)
inclined plane
d)
wheel and axle
55.
What type of simple machine is this?
a)
wheel and axle
b)
gear
c)
lever
d)
inclined plane

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