Weathering And Soil

Front 1

Chemical Weathering-S1

Back 1

occurs when chemical reactions dissolve minerals or change them into different minerals

Front 2

Climate-S1

Back 2

the pattern of weather in a region over many years

Front 3

Ice Wedging-S1

Back 3

mechanical weathering process caused when water freezes inside the crack of rocks

Front 4

Mechanical Weathering-S1

Back 4

occurs when rocks are broken apart by physical process

Front 5

Oxidation-S1

Back 5

cdhemical weathering process that occurs when some materials are exposed to oxygen and water

Front 6

Weathering-S1

Back 6

surface processes that weaken and break rocks into smaller pieces

Front 7

Horizon-S2

Back 7

layer in the soil

Front 8

Humus-S2

Back 8

dark-colored material formed by decaying organic matter

Front 9

Leaching-S2

Back 9

process in which dissolved minerals are carried though soil by water

Front 10

Litter-S2

Back 10

twigs, leaves, and other organic matter that covers forest floor and will become humus

Front 11

Soil-S2

Back 11

mixture of weathered rock, decayed organic matter, mineral fragments, water, and air

Front 12

Soil Profile-S2

Back 12

all the horizons of a soil

Front 13

Contour Farming-S3

Back 13

planting crops along the land's natural contour, or slope shape

Front 14

No-Till Farming-S3

Back 14

farming method in which the plant material left after harvest remains in the field to decay over the winter

Front 15

Terracing-S3

Back 15

method of farming in which steep-sided, flat-topped areas are built into the sides of steep hills so crops can be grown on the level areas