Solar Energy

IS Solar energy renewable?

How does Solar energy work exactly?

• The suns light contain energy.
• Usually when light hits a object the energy turns into heat. 
• When light hits certain material the energy turns into a electrical curret.
• Solar panels harness electrical currents for power.

Untitled Slide

Untitled Slide

Untitled Slide

Untitled Slide

Advantages?

• Solar Energy is free after building expenses.
• It doesn't cause pollution like other energy sources do.
• Many everyday items such as calculators can be powered by solar energy
• Also estimated that the worlds oil reserves will last for 30 to 40 years.
• Solar energy is infinite. 

Disadvantages?

• Solar energy only accounts for a tiny portion of US total energy generation
• it is more expensive than alternatives like cheap but highly polluting coal
• solar power is about 5 times as expensive as what people pay for outlets

how does it effect climate/global warming?

• Doesn't exactly effect the climate.

are there emissions invovled in its use?

unique or INTERESTING story?

BIBLIOGRAPHY

• http://www.google.com/search?q=solar+energy&safe=active&es_sm=93&source=lnm...
• http://www.scientificamerican.com/article/how-does-solar-power-work/
• http://www.technologystudent.com/energy1/solar7.htm
• www.consever-energy-furture.com/solarenergy.php