STS Solar Power (Renewable Energy Part 2)

Multiple Choice

When did humans first directly harness solar power?

• In the 7th Century B.C.

• In 1883

• In 1954

• In 1905

Multiple Choice

Who installed the first solar device to produce electricity from sunlight?

• Isaac Newton

• Charles Fritts

• Scientists at Bell Labs

• Albert Einstein

Multiple Choice

What did Albert Einstein discover about light in 1905?

• It is composed of photons

• It can behave as a particle or 'photon'

• It can only behave as a wave

• It cannot be converted into electricity

Multiple Choice

What significant discovery did scientists at Bell Labs make in 1954?

• The first solar-powered calculator

• The modern solar-electric cell

• The theory of relativity

• The first solar-powered satellite

Multiple Choice

What has contributed to the growth of solar energy as a source of electricity by the end of the 20th century?

• The discovery of new planets

• The invention of the internet

• Engineering improvements making solar cells cheaper and easier to make

• Decrease in the use of silicon

Multiple Choice

How do solar panels convert the sun's energy into electricity?

• Solar panels convert the sun's energy into electricity by absorbing the heat from the sun and using it to generate electricity.
• Solar panels convert the sun's energy into electricity by capturing the sun's heat and converting it directly into electricity.
• Solar panels convert the sun's energy into electricity through photovoltaic cells that generate delectricity when sunlight excites the electrons

• Solar panels convert the sun's energy into electricity by using mirrors to focus the sunlight onto a central point where it is converted into electricity.

Multiple Choice

Sunlight is composed of particles of energy called___

• photons
• light molecules
• solar waves
• sunbeams

Multiple Choice

A PV cell is made out of

• wood and steel
• semiconductor materials such as silicon
• plastic and glass
• copper and aluminum

Multiple Choice

What happens when photons strike a PV cell?

• Photons are absorbed by the PV cell and disappear
• Photons cause the PV cell to overheat and malfunction
• Photons create a magnetic field around the PV cell
• Photons transfer their energy to the electrons in the semiconductor material, creating a flow of electricity.

Multiple Choice

Electricity is___

• the movement of water through pipes
• the study of ancient civilizations
• the flow of electrical power/moving electron

• the process of photosynthesis in plants

Multiple Choice

What technology converts sunlight into electricity?

• Geothermal energy

• Wind turbines

• Hydroelectric power

• Solar photovoltaics (PV)

Multiple Choice

What creates an electric field within a solar cell?

• A single layer of semiconductor material

• A magnetic field

• A combination of gases

• A positive and a negative layer

Multiple Choice

What is sunlight made up of?

• Atoms

• Molecules

• Photons

• Electrons

Multiple Choice

What has recent advancements in solar PV technology improved?

• Its weight

• Its efficiency and electrical output

• Its color and design

• Its cost only

Multiple Choice

What are the advantages of solar PV technology?

• Has many moving parts and makes noise

• Produces clean energy, no emissions, and doesn't need water

• Can only be located far from where the power is needed

• Requires fossil fuels to produce power

Multiple Choice

What is a solar power tower?

• A solar power tower is a type of solar thermal power plant that uses a central receiver to collect and focus solar energy onto a tower-mounted heat exchanger.
• A solar power tower is a type of hydroelectric dam that harnesses solar energy to produce electricity
• A solar power tower is a type of nuclear power plant that uses solar energy to generate electricity
• A solar power tower is a type of wind turbine that generates electricity from solar energy

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