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Ch. 8 How Earth Changes Over Time

Published on Nov 18, 2015

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PRESENTATION OUTLINE

Ch. 8 How Earth Changes Over Time

By: Aiden Holt
Photo by Al_HikesAZ

Fold Mountain

A mountain made by rock layers squeezed together
Photo by jhf

Fault-block Mountain

A mountain made by tilting blocks of rocks separated by faults

Weathering

The breaking down of rocks into smaller pieces
Photo by ClareSnow

Erosion

The picking up and removal of rock particles
Photo by Markusnl

Soil

A mix of weathered rock, air, water, living things, and decayed plant
Photo by elleinad.

Humus

material formed by broken down plants and animals
Photo by tjmwatson

Soil Horizon

the layers of soil from the surface to bedrock
Photo by Miguel Vera

Groundwater

water that soaks into soil and rock
Photo by AlmazUK

Mass Wasting

The downhill movement of Earth's material
Photo by Dru!

Deposition

the dropping off of sediment

Glacier

A huge sheet of ice and snow 
Photo by peterp

Till

many sizes of sediment dropped off a glacier
Photo by im me

Moraine

a deposit of many sizes of sediment
Photo by ahisgett

Mineral

a naturally occurring solid in the Earth's crust

Igneous Rock

A rock that form when magma or lava cools
Photo by loonyowl

Sedimentary Rock

rocks that form from squeezed pieces of rock
Photo by bubbletea1

Metamorphic Rock

a rock that forms from another rock

Rock Cycle

rocks changing into others in a non-ending cycle

Superposition

the idea that in the layers of rock, the bottom is the oldest and the top is the youngest
Photo by Eric Rice

Relative Age

The age of a rock compared to another rock

Geologic Column

a listing of rocks layers from oldest to youngest
Photo by Ken Lund

Fossil

an imprint in a rock

Index Fossil

the remains of a living thing

Half-Life

the time it takes for half the mass in a rock to break

Absolute Age

the age of a rock in years
Photo by subarcticmike

Era

one of the four long stretches of time in earth's history

THE END

Welcome to the end of my haiku deck
Photo by TC Morgan