Vocabulary 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
Non renewable 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 us it.
Minerals
A naturally occurring, non living substance
Rocks
A natural substance made from one or more minerals
Efficient
Able to produce thee effect wanted without wasting time or energy.
Transforms
To change in form
Natural gas
A mixture of methane and other gases formed under ground 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
