Nelson Flashcards - copy
Landforms
natural features that make up the earth's surface
Earthquake
Release of energy through Earth's Surface due to changes taking place beneath it
Shield
The base rock of an ancient mountain region that has been worn away, leaving a rocky landform region
Plateau
A high, flat region that has been lifted up by movements of Earth's surface
Plain
A large, flat to gently rolling region
Magma
Extremely hot fluid or semi-fluid material under Earth's crust
Lava
Molten rock flowing from a volcano
Plate Tectonics
The theory that Earth's Surface is made up of rigid plates that are pushed by forces inside the planet
Convection Flow
A circular motion created when warmer material rises and draws down cooler material, which replaces it
Weathering
The breaking down of rocks by physical or chemical processes.
Erosion
The wearing away of Earth's surface by wind, water, or glacial action.