Solar Arrays

Present day solar cells are made of

• germanium

• silver

• silicon

• aluminium

Tags

NGSS.HS-PS3-3

What type of place/habitat is perfect for collecting solar energy?

• Jungles

• Mountains

• Deserts

• Savannas

In a photovoltaic (PV) solar panel ________ energy is converted to _________.

• radiant (solar), electrical

• electrical, radiant (solar)

• thermal, radiant (solar)

• radiant (solar), thermal

Tags

NGSS.HS-PS3-3

Solar power for heating is active when

• no mechanical components are used to move heat around

• some mechanical components are used to move heat around

• it is very sunny and hot

• it produces electricity

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

This is

• a solar thermal collector

• a photovoltaic panel

• a concentrating collector

• the roof of a house

Tags

NGSS.MS-PS3-3

Concentrating collectors

• are panels that produce electricity

• are solar panels that use mirrors or lenses

• are flat

• have photovoltaic cells

Tags

NGSS.MS-PS3-3

What is the primary function of solar arrays in space missions?

• To provide thermal insulation

• To generate electrical power

• To serve as communication antennas

• To protect against cosmic radiation

Which material is most commonly used in the construction of photovoltaic cells in solar arrays?

• Silicon

• Copper

• Aluminum

• Iron

Tags

NGSS.MS-PS1-3

How do solar arrays contribute to reducing carbon emissions?

• By absorbing carbon dioxide

• By generating renewable energy

• By reflecting sunlight back into space

• By storing carbon in batteries

Tags

NGSS.HS-ETS1-3

What is the main advantage of using solar arrays over fossil fuels for energy production?

• Higher energy density

• Lower initial cost

• Renewable and sustainable

• Easier to transport