Solar Energy

What is purpose of solar cells?

• to convert electricity into mechanical energy

• to convert the sun's heat into electricity

• to convert sunlight into electricity

• to power a generator

What does the word "photovoltaic" mean?

• electricity from batteries

• electricity from light

• electricity from heat

• sun battery

True or false: Solar Cars need gasoline on cloudy days.

• True

• False

What is used to store energy from the sun on cloudy days or during the night time?

• a furnace

• a generator

• a battery

• a photovoltaic cell

Sunlight hits the solar cell and causes ________ to move, creating electricity.

• atoms

• cells

• electrons

• gas

Solar cells can convert only ________% of the Sun's power into electricity.

• 10-14%

• 14-20%

• 20-24%

• 24-30%

Where is the best place to have a solar farm?

• In the city

• In the forest

• In the desert

• On the ocean

Tags

NGSS.MS-ETS1-1

Solar cells are made from sheets of__________.

• glass

• aluminum

• uranium

• silicon

Tags

NGSS.MS-PS1-1

True or False: Solar cars add no greenhouse gases into the atmosphere when they are running.

• True

• False

Which ancient greek scientist used mirrors to focus sunlight onto a wooden ship, and set it on fire?

• Ares

• Archimedes

• Poseidon

• Athena

Tags

NGSS.MS-PS4-2