Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
natural resources
|
the parts of the environment that are useful or necessary for the survival of living organisms
|
|
|
renewable resource
|
any natural resource that is recycled or replaced constantly by nature
|
|
|
nonrenewable resources
|
natural resources that are used up more quickly than they can be replaced by natural processes
|
|
|
fossil fuels
|
fuels formed in Earth's crust over hundreds of millions of years
|
|
|
hydroelectric power
|
electricity that is produced when the energy of falling water is used to turn the turbines of an electric generator
|
|
|
nuclear energy
|
energy conbtained in atomic nuclei; energy produced from the splitting apart of billions of uranium nujclei by a nuclear fission reaction
|
|
|
geothermal energy
|
heat energy contained in Earth's crust !!
|
|
|
pollutant
|
a substance that contaminates the environment
|
|
|
acid precipitation
|
precipitation with a ph below 5.6 - which occurs when pollutants from the burning of fossil fuels react with water in the atmosphere to form strong acids - that can pollute water, kill fish and plants, and damange soils
|
|
|
greenhouse effect
|
heat-trapping feature of the atmosphere that occurs when certain gases in Earth's atomsphere, such as methane, CO2, and water vapor, trap heat
|
|
|
ozone depletion
|
thinning of Earth's ozone layer causes by chlorofluorcarbons (CFCs) leaking into the air and reacting chemically with ozone, breaking the ozone molecules apart
|
|
|
erosion
|
movement of soil from one place to another
|
|
|
hazardous wastes
|
waste materials that are harmful to human health or poisonous to living organisms
|
|
|
recycling
|
a form of reuse that requires changing or reprocessing an item or natural resource
|
