Lab 6: Solar Energy

Lab 6: Solar Energy

LAB 6: S LAR ENERGY Key Q: What other energy sources are there? Energy from the Sun The sun has produced energy for billions of years

SOLAR ENERGY is the suns rays that reach the Earth This energy can be converted into other forms of energy, such as heat and electricity A basic law in physics is that energy can't be created nor

destroyed...only transformed In other words, take the sun's solar energy and transform it into the energy you need The Suns Energy -Provides heat -Drives

photosynthesis -Drives the water cycle -Drives Wind -Can be converted into electricity using photovoltaic cells Solar Heating Systems

ACTIVE PASSIVE Devices capture the No equipment suns energy

Buildings with many windows allow heat in Solar energy can be converted to electricity in 2 ways: PHOTOVOLTAIC CELLS A device used to change

sunlight directly into electricity CONCENTRATING SOLAR POWER PLANTS generating electricity by using sunlight to heat a fluid which produces steam that is

used to power the generator How Solar Panels Work AMS Solar Power SOLAR Energy ADVANTAGES A RENEWABLE RESOURCE

DOES NOT EMIT POLLUTANTS when generating electricity Produces electricity very QUIETLY MORE ADVANTAGES Solar panels can be installed on top of

many ROOFTOPS (dont have to find space) Energy from the sun is FREE for years to come with virtually NO MAINTENANCE Solar Electricity CAN BE STORED FOR LATER USE

EVEN MORE ADVANTAGES FINANCIAL INCENTIVES from the government SAVES YOU MONEY on your electric bill (if you have one at all)

Allows us to become LESS DEPENDENT on fossil fuel supplies & foreign imports A FEW MORE ADVANTAGES EXCESS ELECTRICITY generated can be SOLD to power companies More solar panels CAN EASILY BE

ADDED SOLAR Energy DISADVANTAGES Solar Panels can be EXPENSIVE initially Some households may need MORE THAN ONE

MORE DISADVANTAGES Solar panels require a LARGE AREA FOR INSTALLATION to achieve a good level of efficiency Solar powered

CARS ARE SLOWER EVEN MORE DISADVANTAGES Efficiency relies on the LOCATION OF THE SUN Solar energy is

influenced by CLOUDS or POLLUTION Solar power CANNOT BE GENERATED AT NIGHT

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