Geography: Ch 2

energy from the sun

one complete spin of Earth on its axis; each rotation takes about 24 hours

the 365 ¼ day trip Earth takes around the sun each year

the distance north or south of Earth's equator

regions close to the equator

water that is not salty; it makes up only about 3% of our total water supply

a large area of slow moving ice

water that is found in Earth's streams, rivers, and lakes

water that falls to Earth's surface as rain, snow, sleet, or hail

water found below Earth's surface

water occurring in the air as an invisible gas

the movement of water from Earth's surface to the atmosphere and back

a shape on the planet's surface, such as a mountain, valley, plain, island, or peninsula

a theory suggesting that Earth's surface is divided into a dozen or so slow-moving plates, or pieces of Earth's crust

magma that reaches Earth's surface

a sudden, violent movement of Earth's crust

the process by which rock is broken down into smaller pieces

the movement of sediment from one location to another