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Module 5- Exploring Energy

Total questions: 80

Worksheet time: 50mins

Name
Class
Date
1.

Stored energy

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

2.

wires

a)

Thermal

b)

Electrical

c)

Sound

d)

Kinetic

e)

Potential

3.

Food

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

4.

Energy of motion

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

5.

Fuel

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

6.

heat

a)

thermal

b)

electrical

c)

sound

d)

kinetic

e)

potential

7.

Batteries

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

8.

Stretching an object

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

9.

Energy from the sun

a)

radiant

b)

chemical

c)

potential

d)

kinetic

e)

sound

10.

travels in waves

a)

potential

b)

electrical

c)

sound

d)

kinetic

11.

What is an example of Electric Energy

a)

Apple

b)

Rubber Bands

c)

Car Battery

d)

Table

12.
Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)
A triple beam balance measuring an object’s mass.
b)
A pencil sharpener plugged into a wall outlet.
c)
A projector displaying a diagram on the screen.
d)
A working flashlight used to light up a dark corner.
13.
Which kind of energy change occurs when a candle is burning?
a)
Chemical to light.
b)
Light to electrical.
c)
Solar to heat.
d)
Chemical to electrical.
14.
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —
a)
Solar
b)
Light
c)
Thermal
d)
Mechanical
15.

What is the correct energy chain from the sun to grass to cow?

a)

light and thermal => chemical => chemical

b)

light => heat => mechanical => chemical

c)

light => thermal => mechanical

d)

nuclear => chemical => potential

16.

Strong wind spinning a wind turbine can generate which type of energy?

a)

mechanical

b)

electrical

c)

thermal

d)

chemical

17.

What energy transformation occurs as howler monkeys loudly call to each other in the forest?

a)

Chemical --> Mechanical --> Sound

b)

Chemical --> Sound --> Thermal

c)

Sound --> Chemical --> Radiant

d)

Mechanical --> Chemical --> Sound

18.
In energy transformations, "wasted energy" usually takes what form?
a)
heat
b)
chemical energy
c)
light
d)
sound waves
19.
Which type of alternative energy source is shown in this picture?
a)
Wind
b)
Solar
c)
Hydroelectric
d)
Geothermal
20.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal
21.
Which of the following is a fossil fuel?
a)
Wind
b)
Coal
c)
Solar
d)
Biomass
22.

What is the energy transformation in hydroelectric dams?

a)

Kinetic to electrical

b)

Kinetic to heat

c)

Electric to kinetic

d)

Sound to electric

23.

The Law of Conservation of Energy states:

a)

Energy can created or destroyed but not transformed

b)

Energy cannot be created or destroyed, it can only transformed

c)

Energy can't be created, destroyed or transformed

d)

Energy cannot be created or destroyed.

24.

What force causes a roller coaster cart to slow down the most?

a)

friction

b)

weight

c)

gravity

d)

air resistance

25.

The SI Unit for Energy is

a)

Joule

b)

Potential

c)

Calorie

d)

Kilojoule

26.

A toy car down a ramp loses most of its energy to

a)

friction

b)

sound

c)

heat

d)

gravity

27.
Warming hand over a radiator.
a)
Conduction
b)
Convection
c)
Radiation
28.
Eggs cooking in a frying pan.
a)
Conduction
b)
Convection
c)
Radiation
29.
Snowman melting in the sun.
a)
Conduction
b)
Convection
c)
Radiation
30.
Water boiling in a kettle.
a)
Conduction
b)
Convection
c)
Radiation
31.
Burning your hand on a hot pan
a)
Conduction
b)
Convection
c)
Radiation
32.
Ice cubes keeping lemonade cold.
a)
Conduction
b)
Convection
c)
Radiation
33.
The heat from a lamp allows a lizard to remain warm. This is an example of which type of heat transfer?
a)
radiation
b)
conduction
c)
convection
d)
insulation
34.
John put a heat pack on his cold feet. What will most likely be the result?
a)
The cold from John’s feet will  be radiated into  the heat pack.
b)
The warmth of the heat pack will be radiated  onto John’s feet.
c)
The cold from John’s feet will be conducted  into the heat pack.
d)
The warmth of the heat pack will be conducted  onto John’s feet.
35.
Which best describes the process of convection?
a)
Convection is the primary way  heat travels  through rays.
b)
Convection is the primary way heat travels  through metals.
c)
Convection is the primary way heat travels  through appliances.
d)
Convection is the primary way heat travels  through liquids and gasses.
36.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
37.
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. 
38.
A crayon placed on a dark driveway in bright sunlight melted into a colorful puddle. What caused the crayon to melt?
a)
Solar radiation heated the driveway and then heat transferred to the crayon by conduction.
b)
Solar radiation heated the driveway and then heat transferred to the crayon by radiation.
c)
Solar convection heated the driveway and then heat transferred to the crayon by radiation.
d)
Solar convection heated the driveway and then heat transferred to the crayon by conduction.
39.
At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...
a)
the pounding waves generate air currents
b)
warm air over the ocean rushes in to replace the cool air that rises over the land
c)
the heavy, cool air over the ocean rushes in to replace the warm air that rises over the land
d)
there are no clouds to block the wind coming in from the ocean
40.
Energy for convection on the Earth comes from...
a)
The sun
b)
The moon
c)
Solar winds
d)
The ocean
41.

Objects that allow heat (thermal) energy to move through easily are called:

a)

Conductors

b)

Insulators

42.

Objects that do not allow the flow of heat are called:

a)

Conductors

b)

Insulators

43.

Is an oven mitt a conductor or insulator?

a)

Conductor

b)

Insulator

44.

Is a metal pan a conductor or insulator?

a)

Conductor

b)

Insulator

45.
Why are metals useful for making electrical wire?
a)
Metals do not bend.
b)
Metals hold much heat.
c)
Metals are insulators.
d)
Metals are conductors.
46.
Which is NOT an insulator.
a)
Wool
b)
Plastic
c)
Copper
d)
Glass
47.
You know that the object connected to the wires is a conductor because:
a)
The light bulb is glowing bright.
b)
It's a complete circuit.
c)
It's a closed circuit.
d)
The object is shiny.
48.
Why is electrical wiring usually made from copper?
a)
Because copper is shiny
b)
Because copper conducts electricity
c)
Because copper is not magnetic
49.

Which type of circuit is shown in the diagram?

a)

combination circuit

b)

series circuit

c)

parallel circuit

d)

open circuit

50.

Which circuit below would be described as a "closed" circuit?

a)
b)
c)
51.

Which of the following instruments is used to measure current?

a)

A

b)

B

c)

C

d)

D

52.

Which type of circuit is shown in the diagram?

a)

parallel circuit

b)

open circuit

c)

combination circuit

d)

series circuit

53.

When one light bulb is broken, all the other light bulbs will not light up.

In which of the following circuit will this happen?

a)
b)
c)
54.

What can be the danger caused by the action shown in the diagram? (can be more than one answer)

a)

electrical fire

b)

overheating of cables

c)

electric shock

d)

insulation of wires become damaged

55.

How does a circuit breaker works?

a)

Circuit breaker will cause the current to flow from live wire to earth.

b)

Circuit breaker will melt when the current is too large.

c)

Circuit breaker will 'trip' and cut off electricity supply when the current is too small.

d)

Circuit breaker will 'trip' and cut off electricity supply when the current is too large.

56.
------ is the unit that measures the pressure or force that pushes the flow of electrons forward through a conductor.
a)
Wattage
b)
Voltage
c)
Amperes
d)
Ohm
57.
The term used for measuring the strength of an electric current is:
a)
Wattage
b)
amperes
c)
Voltage
d)
ohms
58.
Safety devices that prevent the overheating of electric wires are known as:
a)
fuses and busters
b)
fuses and circuit breakers
c)
circuit breakers and volts
d)
fuses and conductors
59.

An electric current is the flow of ..............in a circuit?

a)

Protons

b)

Electrons

c)

Maltesers

d)

bulbs

60.

This symbol represents a ..........

a)

bulb

b)

wire

c)

cell

d)

resistor

61.

This symbol represents a ..............

a)

valve

b)

voltmeter

c)

Voltage

d)

Vacuum

62.

This symbol represents a .............

a)

Anode

b)

Alternator

c)

Amplifier

d)

Ammeter

63.

This symbol represents a ............

a)

angry circle

b)

bulb

c)

Resistor

d)

cell

64.

This symbol represents a ..........

a)

cell

b)

battery

c)

bulb

d)

resistor

65.

This symbol represents a ...........

a)

A snapped wire

b)

Electrical junction

c)

Switch

d)

L.E.D.

66.
a)
Switch (Closed)
b)
Switch (Open)
c)
Bulb
d)
Chassis Ground
67.

Which does electric meter measures?

a)

Amount of current

b)

Amount of electric consumption

c)

Amount of Power

d)

Amount of Voltage

68.

Which is the unit of measurement for power?

a)

Ampere

b)

Ohm

c)

Volt

d)

Watt

69.

Santos family has a record of 09877 for the previous electric bill, and the current billing reads 09897 for the consumption in one month. Which is the total electric consumption of the family?

a)

18 kWh

b)

19 kWh

c)

20 kWh

d)

21 kWh

70.

How you will read an analog electric meter?

a)

From right to left

b)

From left to right

c)

It depends on the reader

d)

No rule given

71.

When the pointer is between two (2) numbers, which will be recorded?

a)

the bigger value

b)

the smaller value

c)

the smaller value and add .5

d)

the number where the pointer is closer

72.

Which is the correct reading of the meter?

a)

00988

b)

09987

c)

10098

d)

10087

73.

Which is the correct reading of the meter?

a)

3940 m3m3

b)

3941 m3m3

c)

4940 m3m3

d)

4941 m3m3

74.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
75.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

76.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
77.

If the net force is equal to zero, the forces acting on the object are

a)

balanced

b)

unbalanced

78.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
79.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
80.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion

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