Quiz about unit 2b review quizizz

Question 1

What is the main fuel used in most nuclear power plants?

Accepted Answer

Uranium-235

Answer

Plutonium-239

Answer

Uranium-238

Answer

Thorium-232

Question 2

Which of these is a big environmental concern related to nuclear power?

Accepted Answer

Radioactive waste disposal

Answer

Greenhouse gas emissions

Answer

Air pollution

Answer

Deforestation

Question 3

What safety feature in nuclear reactors helps prevent meltdowns?

Accepted Answer

Containment structures

Answer

Cooling towers

Answer

Carbon filters

Answer

Flare stacks

Question 4

By using heat from radioactive decay to make steam

Accepted Answer

By using heat from radioactive decay to make steam

Answer

By burning nuclear fuel

Answer

By using solar panels to absorb nuclear radiation

Answer

By directly converting nuclear radiation into electricity

Question 5

What is a common source of biomass energy?

Accepted Answer

Wood

Answer

Coal

Answer

Natural gas

Answer

Uranium

Question 6

What do we call the process where microorganisms break down organic material without oxygen to make methane?

Accepted Answer

Anaerobic digestion

Answer

Fermentation

Answer

Aerobic digestion

Answer

Pyrolysis

Question 7

Which of these is a drawback of using biomass as an energy source?

Accepted Answer

It can lead to deforestation

Answer

It is non-renewable

Answer

It produces no carbon emissions

Answer

It is not cost-effective

Question 8

What is the main component of biogas from biomass?

Accepted Answer

Methane

Answer

Carbon dioxide

Question 9

Which of these is not a form of biomass energy?

Accepted Answer

Solar power

Answer

Ethanol

Answer

Biodiesel

Answer

Biogas

Question 10

Which technology turns sunlight directly into electricity?

Accepted Answer

Photovoltaic cells

Answer

Solar thermal collectors

Answer

Concentrated solar power

Answer

Geothermal pumps

Question 11

What material are solar panels usually made of?

Accepted Answer

Silicon

Answer

Copper

Answer

Aluminum

Answer

Glass

Question 12

What describes a solar thermal power plant?

Accepted Answer

It uses mirrors to focus sunlight and heat a fluid to make steam

Answer

It directly converts sunlight into electricity with photovoltaic cells

Answer

It stores energy in batteries for use at night

Answer

It uses wind turbines to generate electricity from the sun

Question 13

How do hydroelectric power plants mainly generate electricity?

Accepted Answer

Using the kinetic energy of falling water to spin turbines

Answer

By burning water to produce steam

Answer

Using wind to move water through turbines

Answer

Solar energy to evaporate water and spin turbines

Question 14

How do hydroelectric dams affect sediment transport in rivers?

Accepted Answer

They prevent sediment from reaching downstream ecosystems

Answer

They increase the flow of sediment downstream

Answer

They reduce sediment buildup behind the dam

Answer

They have no impact on sediment transport

Question 15

What is pumped-storage hydroelectricity?

Accepted Answer

A system that stores energy by pumping water uphill to a reservoir during low demand

Answer

A method of generating electricity by pumping water from the ocean

Answer

A way of using excess solar energy to power water pumps

Answer

A process of desalinating water using hydroelectric power

Question 16

How is geothermal energy mainly generated?

Accepted Answer

By harnessing heat from the Earth's interior

Answer

By using heat from the sun stored in the ground

Answer

By burning fossil fuels underground

Answer

By using nuclear reactions underground

Question 17

What is a common use of geothermal energy?

Accepted Answer

Heating and cooling buildings

Answer

Powering solar panels

Answer

Producing biodiesel

Answer

Generating wind power

Question 18

Which country is known for using a lot of geothermal energy?

Accepted Answer

Iceland

Answer

Canada

Answer

Australia

Answer

Brazil

Question 19

What is the main limitation of geothermal energy?

Accepted Answer

It is only feasible in regions with volcanic activity or hot springs

Answer

It has high greenhouse gas emissions

Answer

It is expensive to extract and process

Answer

It is not a renewable resource

Question 20

What is the main byproduct of a hydrogen fuel cell?

Accepted Answer

Water

Answer

Carbon dioxide

Answer

Methane

Question 21

How does a hydrogen fuel cell make electricity?

Accepted Answer

By using a chemical reaction between hydrogen and oxygen

Answer

By burning hydrogen gas

Answer

By splitting water into hydrogen and oxygen

Answer

By using solar energy to excite hydrogen atoms

Question 22

What is the main component of a hydrogen fuel cell?

Accepted Answer

Proton exchange membrane

Answer

Silicon wafer

Answer

Photovoltaic cell

Answer

Copper coil

Question 23

How does the efficiency of hydrogen fuel cells compare to internal combustion engines?

Accepted Answer

Fuel cells are generally more efficient

Answer

Fuel cells are generally less efficient

Answer

Fuel cells have a similar efficiency

Answer

Fuel cells are not used for efficiency purposes

Question 24

What is the term for the area covered by the blades of a wind turbine?

Accepted Answer

Rotor diameter

Answer

Turbine sweep

Answer

Blade span

Answer

Wind catchment

Question 25

What is the typical range of capacity factors for wind turbines?

Accepted Answer

20-40%

Answer

10-20%

Answer

40-60%

Answer

60-80%

Question 26

How does the location of a wind farm affect its efficiency?

Accepted Answer

Offshore wind farms are generally more efficient due to stronger and more consistent winds

Answer

Wind farms are equally efficient regardless of location

Answer

Wind farms in mountainous areas are more efficient

Answer

Wind farms in urban areas are more efficient

Question 27

Which of these is an example of energy conservation?

Accepted Answer

Turning off lights when not in use

Answer

Installing solar panels

Answer

Using biodiesel instead of gasoline

Answer

Switching to electric vehicles

Question 28

What is the main goal of energy efficiency?

Accepted Answer

To reduce the amount of energy needed to perform a task

Answer

To increase energy production

Answer

To switch from fossil fuels to renewable energy

Answer

To generate more energy from less fuel

Question 29

What type of energy efficiency measure is installing better insulation in buildings?

Accepted Answer

Demand-side management

Answer

Renewable energy technology

Answer

Energy conservation behavior

Answer

Supply-side management

Question 30

Which of the following is a benefit of using energy-efficient appliances?

Accepted Answer

Lower greenhouse gas emissions

Answer

Higher energy bills

Answer

Reduced comfort levels

Answer

Increased energy consumption

Question 31

Which of these is a renewable energy source?

Accepted Answer

Wind

Answer

Natural gas

Answer

Oil

Answer

Coal

Question 32

What is the main environmental benefit of using renewable energy?

Accepted Answer

It reduces the reliance on fossil fuels and lowers greenhouse gas emissions

Answer

It produces a lot of waste

Answer

It is cheaper than fossil fuels

Answer

It does not require any land use

Question 33

How does energy storage improve the use of renewable energy?

Accepted Answer

By allowing renewable energy to be stored and used when demand is high or production is low

Answer

By increasing energy consumption

Answer

By converting renewable energy into fossil fuels

Answer

By reducing the need for renewable energy sources

Question 34

Which of these technologies can help integrate renewable energy into the grid?

Accepted Answer

Battery storage systems

Answer

Fossil fuel plants

Answer

Nuclear reactors

Answer

Coal mining operations

Question 35

Which of these is an example of a passive solar energy design?

Accepted Answer

Designing buildings with large south-facing windows to capture sunlight

Answer

Using wind turbines to generate electricity

Answer

Installing photovoltaic panels on the roof

Answer

Using geothermal heat pumps for heating and cooling

unit 2b review quizizz

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