CHAPTER 5 SCIENCE VOCABULARY
canyon -- a deep valley with very steep sides
climate -- the pattern of seasonal weather that happens year after year
condensation -- when a gas changes to a liquid
conservation -- using Earth's materials wisely
current --a directed flow of a gas or liquid
deposition -- the dropping off of sediment
erosion -- the wearing away and removal of the land surface
evaporation -- the term for a liquid changing to a gas without boiling
fossil fuels -- energy sources that formed a long time ago
freeze -- to change from a liquid to a solid
geological
features -- natural features on the Earth's surface
glacier -- thick sheet of ice and rock
melt -- to change from a solid to a liquid
mineral
resources -- minerals used to make products or provide energy
nonrenewable -- a material that cannot be replaced
precipitation -- the term for water that falls from clouds down to Earth
renewable -- a resource that can be replaced
sediment -- bits of rock, sand, and soil carried by moving water
topsoil -- the top layer of soil that is rich in humus and minerals
water cycle -- the movement of water between Earth's surface and the air
weathering -- the slow process that breaks rocks down into smaller pieces
