Solar Cookers and Heat Transfer
What are the BEST colors for heat-trapping
black (dark)
What is one instrument used in the lab that utilizes a gas source?
Bunsen burner
Name 2 devices utilizing renewable energy sources.
anything from green engineering projects...
Solar panels are dependent on PV technology. What does PV stand for?
Solar cookers convert ___ energy to ____ energy.
(1) light (2) heat
What are 3 cheap fossil fuels?
1. Gas
2. Oil
3. Coal
2 forms of energy that the sun provides to the earth
heat and light
What are 3 types of solar devices?
Solar Cells (Photovoltaic Cells)
Solar Water Heaters
Solar Furnaces
Plastic coverings are often wrapped around the cooker to trap heat. This practice takes advantage of WHAT effect?
Green house effect!
Advantages: Relatively cheap (dep. on market), coincides with the current system
Disadvantages: non-renewable, releases GHGs, causes domestic/international conflicts
Scientists will mimic natural processes in their research on solar cells. What natural process converts sunlight to energy?
Photosynthesis!
What are 2 disadvantages of solar power?
1. Weather dependence
2. High initial investment
3. Relatively low conversion efficiency
4. Land space
Name 3 types of solar cookers
1. panel cookers
2. box cookers
3. parabolic cookers
4. tube cookers
What are the products of COMPLETE combustion?
CO2 and H2O
Fission
What are 2 advantages to solar power?
1. Grid Independence
2. Can (eventually) be a money saver
3. Clean energy
4. Operates with minimal intervention
Temperature is a measure of ____ energy
kinetic
Where does energy come from when burning fossil fuels?
Breaking hydrocarbon bonds
What is the ultimate form of solar power?
Nuclear fusion
What are some SYSTEMIC methods to spread use of solar energy
1. Gov. grants for scientific research into solar/green energy
2. Gov. subsidies for solar homes
3. State/federal Programs for leasing solar panels
etc....