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WorksheetsMidterm Review
Total questions: 34
Worksheet time: 15mins
Which of
these have light and sound energy?
Flashlight
Fireworks
Sun
Candle
Which of the following does NOT possess
kinetic energy?
Moving cars
Flying airplanes
Curtain hanging on windows.
Running
What is energy?
The ability to destroy work.
The ability to create work
The ability to change work
The ability to do work.
Look at the picture on the left.
What form of energy do the coconut fruits on
the tree possess?
Elastic potential energy
Kinetic energy
Mechanical energy
Gravitational potential energy
The diagram shows a type of food. Which form of energy is stored in the food?
Sound energy
Chemical energy
Potential energy
Kinetic energy
What is the International Standard (SI)Unit for energy?
Newton
Joules
Kilograms
Meter
What is mechanical energy?
Energy that is possessed by a moving
object.
Energy that is stored in stretched or
compressed objects.
Energy that an object has due to its
height from the ground.
The sum of kinetic energy and
potential energy in an object that is used
to do work.
What is a change from one form of energy
to another?
Energy change
Energy transformation
Energy transfer
Energy loss
Which of the following is matched
correctly?
Heat energy ----Dog barking
Chemical energy----- Fuel
Kinetic energy----Cup of coffee
Sound energy------ Flying kite
What energy transformation takes place
when you run?
Chemical energy → Kinetic energy
Chemical energy → Heat energy
Chemical energy → Kinetic energy
+ Heat energy
Mechanical energy → Potential
energy
What is the energy transformation involved when apples on
the tree falling to the ground?
Chemical energy → Kinetic
energy
Gravitational potential energy →
Kinetic energy
Kinetic energy → Gravitational
potential energy
Elastic potential energy → Kinetic
energy
The following shows some electrical
appliances:
✓Bread Toaster
✓ Microwave oven
✓ Electric Kettle
These electrical appliances change
electrical energy into____________?
Light energy
Heat energy
Mechanical energy
Chemical energy
Which of the following is an energy
transformation from light energy to electrical
energy?
Solar panels
A computer
A battery
A lighted bulb
The information shows energy
transformation in a device.
Electrical energy → Light energy + Sound
energy
Which of the following devices involves the
same energy transformation when in use?
Radio
Toaster
Television
Rice cooker
What are the two types of generators?
Indirect Current and Alternate
Current Generators
Direct and Indirect Generators
Non-current and Current Generators
Direct Current and Alternating
Current Generators
Which is not a part of a generator?
2 bar magnets
Copper coil
2 copper rings
1 couple ring
Who invented the electrical generators
called dynamos?
Isaac Newton
Albert Einstein
Michael Faraday
Michael Friday
What is NOT true about electric
generators?
Have light bulbs.
Have 2 bar magnets
There is no copper coil.
Have strong magnetic field.
Renewable energy sources are energy
sources that _____________________?
are used faster than they can be
replaced.
replenishes themselves naturally.
cannot replenish themselves in a short
period of time.
cannot be used repeatedly.
Which of the following is an example of
non-renewable energy source?
The Sun
Wind
Natural gas
Running water
Which of the following is a renewable
source of energy?
Coal
Fuel
Natural gas
Geothermal energy
Which of the following uses heat deep
inside the Earth?
Geothermal energy
Nuclear energy
Fossil fuel
Biomass
In most power stations, ___________are
used to convert energy sources into
electricity.
wheels
cables
generators
power poles
What is the source of energy in a fossil-
fuel power station?
Coal
Oil
Natural gas
All of these
How is electricity transmitted from power
stations to homes?
Generators
Turbines
Cables
Electrical sockets
The picture shows a type of power
station which generates electricity.
What is the source of energy in this power
station?
Fossil fuels
Sunlight
Wind
Running water
Which of the following are dangers
related with electricity?
Electrical shock
Fire
Burns
All of these
How can we conserve electricity in our
homes?
Turn on lights when no one is at home.
Open the window and use fans
instead of air conditioners.
Always open refrigerators.
Use a dryer to dry clothes.
Which of the following shows the correct
way of handling electrical appliances at
home?
Touch electrical appliances with wet
hands.
Never check electrical appliances
regularly.
Use electrical appliances with
open or exposed wires.
Keep water away from electrical
appliances.
Which of the following are practicing ways to be
out of dangers of electricity?
Do not use appliances with torn electric
cords.
Pull a plug out by its cord.
Never touch electrical appliances with
wet hands.
Do not read instruction manual of an
electrical appliance before using it.
Give 3 ways on how to save or conserve electricity at home.
Look at the picture. Give 3 reasons why this is not good way of using electricity.
Give one example of each object that energy can change from one form to
another.
1. Changing from electrical energy to light energy + sound energy
2. Changing from potential energy to kinetic energy to sound energy.
3. Changing from gravitational potential energy to kinetic energy.
Look at the picture. Identify the forms of energy that are involved. Give at least two
(2) forms of energy.
