Week Of March 15th Flashcards
Natural Resource
A material supplied by nature that is used by humans and other organisms.
Classify
To organize into groups based on a system.
Nonrenewable Resource
A resource that is replenished at a slower rate than it is used.
Renewable Resource
Material made by nature at least as quickly as people use it.
Minerals
A naturally occurring, nonliving substance.
Rocks
A natural substance made from one or more minerals.
Efficient
Able to produce the effect wanted without wasting time or energy.
Transforms
To change in from.
Natural Gas
A mixture of methane and other gases formed underground and used for energy.
Hydroelectric Energy
Energy produced by moving water.
Effect
A change that happens because of some kind of action.
Pollution
The presence of harmful substances in the environment.
