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Energy

Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.

What is renewable energy?

a)

Energy that comes from non-renewable sources like coal and oil

b)

Energy that is derived from sources that are naturally replenished

c)

Energy that can only be used once

d)

Energy that is produced from nuclear reactions

2.

Which of the following is an advantage of using renewable energy sources?

a)
Reduces greenhouse gas emissions and dependence on fossil fuels
b)
Leads to higher energy costs
c)
Increases air pollution
d)
Causes environmental degradation
3.

Which of the following is a challenge associated with solar energy?

a)
High cost of installation
b)
Intermittency of sunlight
c)
Limited availability of sunlight
d)
Incompatibility with existing infrastructure
4.

Which of the following is a renewable energy source?

a)
Coal energy
b)
Nuclear energy
c)
Oil energy
d)
Solar energy
5.

Which renewable energy source involves using the heat from inside the Earth?

a)
Solar
b)
Wind
c)
Hydroelectric
d)
Geothermal
6.

Which of the following is a major disadvantage of using fossil fuels?

a)
Enhanced renewable energy sources
b)
Increased biodiversity
c)
Reduced air pollution
d)
Climate change
7.

What is a major environmental impact of burning fossil fuels?

a)
Global warming and climate change
b)
Acid rain formation
c)
Increase in biodiversity
d)
Ozone layer protection
8.

What element is most commonly used as fuel in nuclear reactors?

a)
Plutonium
b)
Uranium
c)
Thorium
d)

Radioactive isotope of Carbon

9.

Which of the following is a major advantage of nuclear energy?

a)
Low carbon emissions
b)

suii

10.

What is a major risk associated with nuclear energy?

a)
Reduced greenhouse gas emissions
b)
Increased air pollution
c)
Enhanced wildlife conservation
d)
Accidents or meltdowns releasing harmful radiation
11.

Which energy source is considered the most reliable for constant energy production?

a)
Solar energy
b)
Wind energy
c)
Hydropower
d)
Nuclear energy
12.

Which energy resource is known for producing the least amount of greenhouse gases?

a)

Solar power

b)

Coal

c)

Petrol

d)

Gasoline

13.

How does a coal-fired power plant generate electricity?

a)
By harnessing solar power through photovoltaic cells
b)
By converting geothermal heat into electricity directly
c)
By burning coal to heat water and produce steam, which drives a turbine connected to a generator.
d)
By using wind energy to power turbines
14.

What is the primary function of a turbine in a power plant?

a)
Convert kinetic energy into mechanical energy
b)
Convert solar energy into electricity
c)
Produce heat energy
d)
Generate electrical energy
15.

What is the role of a generator in the production of electricity?

a)
Generates wind power
b)
Converts solar energy into electricity
c)
Transmits electricity through power lines
d)
The role of a generator in the production of electricity is to convert mechanical energy into electrical energy.
16.

What does the law of conservation of energy state?

a)
Energy cannot be created or destroyed, only transformed from one form to another.
b)
Energy can only be transformed into matter
c)
Energy can be destroyed completely
d)
Energy can be created out of nothing
17.

In a pendulum, where is the kinetic energy the greatest?

a)
At rest
b)
At the midpoint of the swing
c)
At the highest point of the swing
d)
At the lowest point of the swing
18.

What is the primary form of energy transformation in a hydroelectric power plant?

a)
Chemical energy of water to mechanical energy of turbines to electrical energy
b)
Kinetic energy of water to electrical energy
c)
Solar energy to mechanical energy of turbines to electrical energy
d)
Potential energy of water to mechanical energy of turbines to electrical energy
19.

When a ball is thrown into the air, what happens to its kinetic energy as it reaches its highest point?

a)
The kinetic energy decreases
b)
The kinetic energy becomes negative
c)
The kinetic energy remains constant
d)
The kinetic energy increases
20.

In a closed system, what happens to the total amount of energy?

a)
The total amount of energy decreases over time
b)
The total amount of energy increases indefinitely
c)
The total amount of energy fluctuates randomly
d)
The total amount of energy remains constant

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