click below
click below
Normal Size Small Size show me how
5th Science - unit 5
5th grade science vocabulary words
Question | Answer |
---|---|
sources of energy, which are not based on the burning of fossil fuels or the splitting of atoms | alternative energy sources |
the wise use and protection of natural resources including plants, animals, mineral deposits, soils, clean water, clean air, and fossil fuels | conservation |
formed from the decayed remains of ancient plants and animals that have been changed by physical and chemical processes within the Earth’s crust into a coal, oil, and natural gas | fossil fuels |
heat from melted rock deep below Earth’s surface | geothermal energy |
everlasting, impossible to use up | inexhaustible |
materials in the environment that are useful to people | natural resource |
: resources that nature cannot replace quickly enough to meet people’s needs | non renewable |
resources that nature replaces as they are used | renewable resources |
bits of rock, soil, sand, shell and the remains of organisms | sediments |
rock that formed when sediments were pressed and cemented together | sedimentary rock |
a liquid fossil fuel; also called crude oil | petroleum |
energy from sunlight | solar energy |