1 of 25

Slide Notes

DownloadGo Live

Lesson 5 Chapter 8 By:Donavan

Published on Nov 25, 2015

No Description

PRESENTATION OUTLINE

Fold mountain

A mountain made of layers of rock folded by being squeezed

Fault-block mountain

A mountain made of huge tilted blocks of rocks separated from surrounding rocks

Weathering

The breaking down of rocks into smaller pieces by natural processes

Erosion

The picking up and removing of rock particles
Photo by ctankcycles

Soil

A mixture of weathered rock,decayed plant and animal matter,water,and air
Photo by devmat

Humus

Material in soil formed by the breakdown of plant and animal material
Photo by Siskin.Lane

Soil horizon

Any of the layers of soil from the surface to the bedrock below
Photo by FortGirl

Ground water

Water that soaks into soil and rock by collecting in spaces between rock particles
Photo by Miliodon

Mass wasting

The downhill movement of earth material caused by gravity
Photo by Nathan Rein

Deposition

The dropping off of sediment

Glacier

A huge sheet of ice and snow that moves slowly over the land
Photo by yannboix

Till

A jumble of many sizes of sediment by a glacier

Moraine

A deposit of many sizes of sediment in front of or along the side of a glacier
Photo by laikolosse

Mineral

A naturally occurring solid in earths crust with a definite structure and composition
Photo by Diamonddavej

Igneous rock

A rock that is formed when lava is on earth and cools slowly

Sedimentary rock

A rock that forms by other rocks being squashed together

Metamorphic rock

A rock that forms from another kind of rock that is changed

Rock cycle

Rocks continually change from one to another in a never ending process

Superposition

The idea that in series of rock layers the bottom is older and the top is younger

Relative age

The age a rock compared to another rock
Photo by theqspeaks

Geological column

A listing of earths rock layers in order from oldest to youngest
Photo by Darkroom Daze

Fossil

Any trace,imprint,or remains of a living preserved in earths crust
Photo by KRoark

Index fossil

The remains of a widespread of living things that was only on earth for a short time

Half-life

Photo by premasagar

Absolute age

The actual age of a rock in years not comparing to another rock