Unit 9 Vocab Flashcards
(26 cards)
Nonrenewable
Resources that are limited, and cannot be replenished.
Renewable
Resources that can be replenished over time and are not depleted when used.
Sustainable
Able to be maintained at a certain rate or level.
Engineering Design Process
A series of steps an engineer takes to find a solution to a problem.
Constraint
Limitation
Criterion
Standard by which something is judged.
Tradeoff
Balance achieved between two desirable but incompatible features.
Iterate
To repeat a process or procedure multiple times.
Alloy
A substance made by combining two or more metals or metal with a non-metal substance.
Rare Earth Elements
A group of 17 metallic elements.
Mining
The process or industry of obtaining coal or other minerals from a mine.
Ore
A naturally occurring solid material from which a metal or valuable mineral can be profitably extracted.
Recycle
The process of converting waste into reusable materials.
Reclamation
Claiming something back.
Hydraulic Fracturing
The forcing open of fissures in subterranean rocks by introducing liquid at high pressure, especially to extract oil or gas.
Tar Sand
Sand or sandstone that is naturally soaked with heavy sticky portions of petroleum.
Oil Shale
The rock from which shale oil is extracted.
Hydroelectric Energy
A form of energy generated by harnessing the power of moving water.
Tidal Energy
A form of renewable energy that harnesses the power of ocean tides to generate electricity.
Geothermal Energy
The heat stored within the Earth.
Natural Resource
Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain.
Natural Hazard
A naturally occurring event, such as a hurricane or earthquake, that can cause harm to humans, property, or the environment.
Sustainability
The ability to be maintained at a certain rate or level.
Ecosystem Service
The benefits that humans obtain from nature.
