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science ch 8

Published on Dec 05, 2015

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PRESENTATION OUTLINE

science ch 8

Braden Griffiths

Fold mountain

a mountain made from plates moveing together

fault block mountain

faults that create mountains

erosion

the picking up and putting down of sedimet

soil

dead animals or humus that is fertal

Humus

dead plant or animal remains

soil horizon

layers of the earths crust

ground water

Water that comes from under ground

mass wasting

Downhill movement caused by gravity 

Depositation

The picking up and putting down of sediment

glacier

A giant peice of ice that moves

Till

Sediment that is deposited by a glacier

Moraine

sedimet along side a glaceir

mineral

A natural solid with a definite structure

Igneous rock

Rock that is cooled lava

sedimentary rock

Rock that is made of sedimet

metamorphic rock

Rock that is changed by heat

Rock cycle

The cycle that rocks go through

superposition

the idea that younger rock is on top

relative age

A way to see how old a rock is.

geologic column

Earths stages through the years

Fossil

An imprint of  something that lived many years ago

Index fossil

A fossil that was everware for a shor peroid of time

half life

Time it takes for half of something to decay

absolute age

the age of a rock

era

four long streaches in earths time