Geography pages 63-73

Earth’s center

The zone that has most of earths mass

Liquid rock in earth

The theory of how forces within the planet create landforms

The plates slowly move across the upper mantle usually less than an inch per year

Previous super continent

Places on earths surface where the crust stretches until it breaks

Rocks of the ocean floors gradually sink because they have no supporting heat below them

The continental surface extends under the shallow ocean water around the continents

Places where rocks have been compressed into bends

Places where rock masses have broken apart and moved away from eachother

When rocks break and decay over time

Smaller particles of gravel, sand, and mud broken down from rocks in weathering

The movement of surface material from one place to another

Thick masses of ice

An elevated flatland that rises sharply above nearby land on at least one side

This is a fan shaped deposit of mud and gravel often found along the bases of mountains

Accumulation of sediment at the mouth of a river

Process of removing salt from ocean water

The movement of water through the hydrosphere

First and smallest streams formed from the runoff of a mountain, eventually forming rivers

Any smaller stream or river that flows into any bigger stream or river

The whole region drained by a river and its tributaries

Semi enclosed bodies of water, seawater, and freshwater formed where a river meets an inlet of the sea

Any landscape that is covered in water for at least part of the year

Water found below ground

The level at which all spaces are filled with water