Weathering And Erosion Test

Front 1

Weathering

Back 1

The process of breaking down rocks over years, even centuries

Front 2

Rock Cycle

Back 2

The changing of rock

Front 3

Sedimentary Rock- how does it form?

Back 3

forms when sediments or the remains of tiny living things settle and harden

Front 4

Sedimentary Rock- what can it turn into?

Back 4

can turn into metamorphic rock when under great heat or pressure

Front 5

Metamorphic Rock- how does it form?

Back 5

forms underneath the earth's surface when under great heat or pressure

Front 6

Metamorphic Rock- what can it turn into?

Back 6

can melt into magma

Front 7

Igneous Rock- how does it form?

Back 7

forms when magma cools above/below the earth's surface

Front 8

Igneous Rock- what can it turn into?

Back 8

turn into metamorphic rock when under great heat or pressure or can melt into magma

Front 9

Mechanical Weathering

Back 9

the process of breaking down rocks into smaller pieces caused by temperature, water, wind, plants, animals, and catastrophic events

Front 10

Frost Wedging

Back 10

Occurs as water gets into cracks in the rock. Water freezes and expands, forcing the rock OUT of the ground

Front 11

Frost Heaving

Back 11

Occurs when water gets underneath a rock. As water freezes and expands, this forces the rock apart.

Front 12

Pressure Release

Back 12

rocks under great prssure will expand if the ground moves and the pressure is released

Front 13

Exfoliation

Back 13

sheets of rock peel away like an onion

Front 14

Abrasion

Back 14

occurs when rocks rub against eachother

Front 15

Plants

Back 15

roots get into cracks and cause the rock to split apart

Front 16

Animals

Back 16

burrow into ground moving rocks and causing them to be exposed to weathering

Front 17

Catastrophic Events

Back 17

fires/floods

Front 18

Chemical Weathering

Back 18

changes rocks into different substances

Front 19

Oxidation

Back 19

when oxygen in the air combines with metals in the rocks

Front 20

Acid Rain

Back 20

srtonger chemicals in the air mixing with water (rain)

Front 21

Lichens/Moss

Back 21

attatch to rocks and give off a mild acid that further breaks down rocks into soil

Front 22

God's Plan

Back 22

God uses mechanical and chemical weathering to break down rocks into soil, replinishing the minerals int the soil that are needed by plants

Front 23

Caves

Back 23

formed by mechanical (water, wind, waves) and chimical weathering

Front 24

Stalagtites

Back 24

hang down from the top of the cave like icicles (hang on "tite")

Front 25

Stalagmites

Back 25

grow up from the ground (push up with all their "mite")

Front 26

Column

Back 26

when a stalagtite and stalagmite meet and grow together

Front 27

Drip Curtain

Back 27

water seeps in along a crack in the cave wall and hardens

Front 28

Spelunker

Back 28

someone who explores caves

Front 29

Soil

Back 29

loose material at the surface of the earth made up of minerals, particles of rocks, and humus

Front 30

Pedologists

Back 30

scientists who study soil

Front 31

Sand

Back 31

largest kind of particle

Front 32

Clay

Back 32

smallest kind of particle

Front 33

Slit

Back 33

tiny particle, allows water and air to mix in the soil

Front 34

Texture

Back 34

what kinds of particles in the soil, important to farming

Front 35

Soil Horizon

Back 35

layers of the soil

Front 36

O Horizon

Back 36

leaf litter and humus

Front 37

A Horizon

Back 37

topsoil

Front 38

B Horizon

Back 38

subsoil

Front 39

C Horizon

Back 39

larger fragments of bedrock

Front 40

R Horizon

Back 40

bedrock

Front 41

Pslam 95:4

Back 41

"In His hand are the depths of the earth; the heights the mountains are also."