Renewable Energy #529382 - Prove ed esercizi Zanichelli

The primary function of solar energy technology

What is the primary function of solar energy technology?

A:

To create heat

B:

To harness the sun's energy and make it useable

C:

To reduce global warming

D:

To replace fossil fuels

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Renewable energy sources

Which of the following is a characteristic of renewable energy sources?

A:

They have high carbon emissions.

B:

They are available in limited quantities.

C:

They are always cheap to install.

D:

They require specific conditions for installation.

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Electron Behavior in Solar Cells

What happens to the electrons in a photovoltaic cell when sunlight hits it?

A:

They flow through the cell, generating electricity

B:

They become hotter

C:

They evaporate

D:

They become inactive

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How passive solar technology work

How do passive solar technologies work?

A:

By converting sunlight directly into electricity

B:

By storing heat in batteries

C:

By using absorbent materials to collect and release heat

D:

By reflecting sunlight back into space

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Non-renewable energy sources

Which of the following statements is true regarding non-renewable energy sources?

A:

They regenerate quickly.

B:

They are inexhaustible.

C:

They can cause environmental pollution.

D:

They have no impact on human health.

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Definition of energy

What is the scientific definition of energy?

A:

The ability to do work or heat objects.

B:

The ability to create matter.

C:

The ability to destroy objects.

D:

The ability to increase an object's mass.

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Lifespan

What does "lifespan" refer to when discussing an energy source?

A:

The amount of energy produced.

B:

The useful life duration.

C:

The production cost.

D:

The environmental impact.

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Replenish

What does the term "replenish" mean in a scientific context?

A:

To deplete a resource.

B:

To renew or refill.

C:

To conserve energy.

D:

To measure a quantity.

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Passive solar technology

What is an example of passive solar technology mentioned in the text?

A:

Photovoltaic cells

B:

Solar panels

C:

Large windows on the sunny side of a building

D:

Batteries for energy storage

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Photovoltaic cells

What happens when sunlight hits photovoltaic cells?

A:

The cells heat up

B:

Electrons are knocked loose from their atoms

C:

The cells expand

D:

The light is reflected

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Finite

What does the term "finite" indicate when referring to energy resources?

A:

Resources that regenerate quickly.

B:

Resources available in unlimited quantities.

C:

Limited resources destined to run out.

D:

Resources with no environmental impact.

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Photovoltaic cells and solar panels

What is the main difference between photovoltaic cells and solar panels?

A:

Photovoltaic cells convert light into voltage, solar panels convert voltage into electricity

B:

Photovoltaic cells are larger than solar panels

C:

Solar panels work at night, photovoltaic cells don't

D:

Photovoltaic cells are passive, solar panels are active

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