Changes To Earth's Surface

Front 1

An ____ is a sudden release of energy in Earth's _____, causing the ground to shake.

Back 1

earthquake; crust

Front 2

A rigid block of Earth's crust and upper mantle rock is a ______.

Back 2

plate

Front 3

A ______ is a physical feature on Earth's surface, such as a mountain or a valley.

Back 3

landform

Front 4

The remains or traces of past life found in Earth's crust are called _____.

Back 4

fossils

Front 5

Molten rock from Earth's mantle is _______.

Back 5

magma

Front 6

A ____ is a break in Earth's crust , along which peices of the crust move.

Back 6

fault

Front 7

______ is the process of breaking rock into silt, sand, and other tiny pieces called sediment.

Back 7

weathering

Front 8

Lava is magma that reaches Earth's surface through an opening, called a ______, in the Earth's crust.

Back 8

volcano

Front 9

The downhill movement of rock and soil because of gravity is ______.

Back 9

mass movement

Front 10

The _____ is the layer of rock beneath Earth's crust.

Back 10

mantle

Front 11

The theory that the continents move over Earth's surface is _____.

Back 11

continental drift

Front 12

_____ is the supercontinent that held all of Earth's land 225 million years ago.

Back 12

Pangea

Front 13

_____ is the process of moving sedimetn from one place to another, and ______ is the process of dropping, or depositing sediment in a new location.

Back 13

Erosion; deposition

Front 14

The _____is the center of Earth.

Back 14

core

Front 15

Name the three layers of Earth, beginning with the outermost layer.

Back 15

Crust, mantle, and core