Energy Resources
Name 3 nonrenewable resources
coal, oil, natural gas, uranium
renewable resources come from ______ processes that have been happening for billions of years and will continue to happen.
natural
Another name for land resources
natural resources
What percent of water on earth is saltwater
97%
A tree is _______ a forest is ________
renewable, nonrenewable
name 2 disadvantages and advantages of nonrenewable energy
disadvantages- limited supply, pollution, habitat disruption
advantages- cheap and easy to transport
What is the most common form of renewable energy
What is the oldest form
biomass and wind
The amount of land used for agriculture has _____
crop production has ________
decreased, increased
Air pollution can come from what other than pollution?
natural events
What makes up the majority of our land and what makes up the least?
agriculture, grasslands, forests
cities
How is coal formed vs how is oil formed? (from what)
coal- swamp area into peat into coal
oil- dead aquatic organisms usually plankton
2 advantages and disadvantages of renewable energy
advantages- always resourceful, less pollution
disadvantages- costly, limited in areas
2 advantages and disadvantages of land resources
advantages- widely available, renewable
disadvantages- mine minerals and deforestation
What percent of freshwater is consumed by humans?
What is a way to turn salt water to fresh water
0.9%,
distillation or reverse osmosis
Hydroelectric power requires _____ water and the construction of a _____
flowing, dam
What is the process of creating nuclear energy?
nuclear fission- uranium atoms are split creating thermal energy, thermal energy heats water creating steam, steam fuels the generator and creates electricity
What is the difference between passive and active solar energy?
passive requires transfer of energy through something else
active- direct sunlight to panel for energy
name the two types of minerals
give two examples of each
metallic and nonmetallic
metallic- bauxite and hematite
nonmetallic- gypsum, flourite, halite, sulfur
What element is our air most contained of?
What percent is in the air we breathe?
nitrogen 78%
What are the three acts from legislation that help air and water pollution?
Clean air act
Clean water
Safe drinking water act
The type of Fossil Fuels that form depend on what three factors?
the type of organic matter
the temperature and pressure
the length of time that the organic matter was buried
Name the 5 types of renewable resources and give an example of each.
solar, wind, geothermal, hydro, biomass
What are the 3 affects of deforestation
soil erosion, climate change, and runoff
What is the pH scale?
What makes it acidic, alkaline, and neutral?
below 7 acidic, above 7 alkaline, 7 neutral
What are the two types of vehicle fuels that can come from biomass?
ethanol and biodiesel