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Science Ch. 8 Vocabulary

Published on Nov 24, 2015

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PRESENTATION OUTLINE

CH. 8 VOCAB

BY: FAYTH HARPER
Photo by Futureman1

FOLD MOUNTAINS

ROCK LAYERS THAT ARE FOLDED
Photo by Nicholas_T

FUALT-BLOCK MOUNTAINS

huge tilted blocks of rocks seperated by a fualt

WEATHERING

breaking down of rocks by natural causes
Photo by ClareSnow

EROSION

picking up and removing rock particles

soil

loose weathered rock that plants can grow through
Photo by USDAgov

humus

dead bugs and insects or decomposed plants or animals
Photo by arimoore

soil horizon

series of layers from the surface down to the bedrock

groundwater

water that transfers through little underground waterways
Photo by IRRI Images

mass wasting

downhill movements of Earth material and it is caused by gravity

deposition

dropping off of sediment

glacier

huge sheets of ice and snow that slowly move across the land

till

a lot of different sizes of sediment deposited by a glacier

moraine

deposit of many sizes sediment in front of or along the sides of a glacier
Photo by mlhradio

mineral

solid in Earth's crust
Photo by Smabs Sputzer

igneous rock

forms from hot liquid rock and then it cools 

sedimentary rock

formed from other rocks that are squeezed together from pressure
Photo by No Mug Shots

metamorphic rock

other rocks formed into one rock
Photo by m.gifford

rock cycle

it has one rock that gets so much pressure that gets smashed with others and it never ends

superposition

series of rocks that has a bottom layer recorded as the oldest and the top as the youngest
Photo by euphro

relative age

a rocks age compared with another
Photo by theqspeaks

geological column

listing rocks in order from oldest to youngest

fossil

imprints or remains on a rock, of a living creature long ago
Photo by lovestruck.

index fossil

a type creature that lived a short life and got imprinted on a rock
Photo by Darkroom Daze

absolute age

a rocks age in years
Photo by Jo-Ann Stokes

half-life

the time it takes to change into another rock step by step
Photo by Rappzula

era

long period of time on Earth's history
Photo by mikecogh