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6th Unit 6 set a
Resources and Human Energy Needs part 1
| Term | Definition |
|---|---|
| Alternative energy | energy generated in ways that do not deplete natural resources or harm the environment, esp. by avoiding the use of fossil fuels and nuclear power |
| Deposition | is the geological process by which sediments, soil, and rocks are added to a landform or land mass |
| Sustainable development | way of using natural resources without depleting them and of providing for human needs without causing long term harm to the environment |
| Renewable | a necessity of life (resource) which can regenerate quickly and that is replaceable; Ex: trees, water |
| Nonrenewable | a necessity of life (resource) which can NOT be replenished by natural means; Ex: fossil fuel |
| Monoculture | farming strategy in which large fields are planted with a single crop variety year after year |
| Thermal energy (or heat) | the ability to do work through the release of heat |
| Internal energy | the energy associated with molecular motion (or temperature) |
| Latent energy | the energy associated with the evaporation/condensation of water vapor |
| Kinetic energy | the ability to do work due to motion |
| Gravitational (or potential) energy | the ability to do work through changes in a body's location within a gravitational field |
| Electromagnetic wave energy | energy embedded in electromagnetic wave motion (such as light, microwaves, or x-rays). when this kind of energy impinges on matter part or all of is converted to heat |
| Chemical energy | the ability to do work via a chemical interaction (i.e., change in molecular structure) |
| Energy | the ability to do work or cause change |
| Nuclear fission | the splitting of an atom's nucleus into smaller nuclei |
| Nuclear fusion | the combining of two atomic nuclei into a single larger nucleus, as when two hydrogen atoms join together to form helium, releasing energy |
| Heat | the energy transferred from a hotter object to a cooler one |
| Greenhouse effect | natural process in which atmospheric gases trap energy from sunlight as heat |
Created by:
darrin_evans
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