Science Resource Flashcards
Natural resource
Materials such as minerals, forests, water, and fertile water that can be used again
Classify
Arrange a group of things into classes or categories
Non renewable resource
A resource that is replenished at a slower rate than it is used
Renewable resource
A material made by nature at least as quickly as people use it
Minerals
A naturally occurring, non living 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 form
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 actiona
Pollution
The presence of harmful substances in the environment
