Air
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is all electricity the same?
no
emmisions are added to the air if electricity is made of ______
fossil fuels
What does more heat in the atmosphere cause (5)?
melting ice sealevels rise increase in extreme weather events habitat destruction erosion
gas in the atmosphphere that trap solar energy
greenhouse gas
What gases are greenhouse gases?
carbon dioxide water vapor methane
why we have more carbon dioxide and heat in the atmosphere
increased use of fossile fuels
how do we observe climate change (5)?
monitoring average global temperatures the amount of greenhouse gases in the atmosphere amount of artic and land ice ocean temperatures and acidification sea level rise
natural situation in which heat is trapped in Earth’s atmosphere by carbon dioxide, methane, water vapor, and other gases
greenhouse effect
what are some possible soluions for climate change (4)?
Reducing greenhouse gases by changing energy sources removing carbon from the atmosphere Adjusting government policies making daily individual choices
fixed amount, takes millions of years to replace…..
nonrenewable
can be replaced by nature at close rate to being used sustainanle
renewable
foddil fuels (coal, oil, natural gas), soil, minerals, diamonds, gemstones, gold, copper, silver are examples of……..
non-renewable resources
trees, vegetation, sunlight, fresh air, and living things are examples of…
renewable resources
nonrenewable energy, formed over time through compression and decompression of plants and organic matter, may cause pollution but its cheat
fossil fuels
plant material die in swamply area and are covered by sediments
coal
marine life dies and falls to the floor, then covered by sediments, forming a liquid
oil
fossil fuels examples
coal, natural gas, petroleum, oil
typically made of silicon collect sunlight and transfer into electricity used in satellites so they never run out of energy solar cells
Photovoltaic Cells
marine life dies falls to floor, covered by sediments, forms a gas
natural gas
how does solar energy work?
absorbs energy electrons move freely electric feild causes the electrons to move in a current current is used for external energy
new and different options instead of traditional energy resources
alternative energy
what do you need for solar energy?
solar panels
what are some types of alternative energy?
solar hydroelectric geothermal wind nuclear
What is the most widely used renewable resource?
water