Welcome To Big Board Facts

Today's Topics NEXT

Topic One- Weathering NEXT

Topic Two- Soil NEXT

Topic Three- Soil Horizons NEXT

Four- Soil Conservation Topic Four- Soil Conservation NEXT

Topic Five- Dust Bowl NEXT

Big Board Facts Topic One 5 10 15 20 25 Topic Two 5 10 15 20 25 Topic Three 5 10 15 20 25 Topic Four 5 10 15 20 25 Topic Five 5 10 15 20 25 Team Scores Team One Team Three Team Five Big Points Question Team Two Team Four Team Six

Topic 1 Question for 5 Points The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles Show Answer

Topic 1 Answer for 5 Points Abrasion Back to Board

The most important factors in determining the rate of weathering are Topic 1 Question for 10 Points The most important factors in determining the rate of weathering are Show Answer

Topic 1 Answer for 10 Points Rock type and climate Back to Board

Topic 1 Question for 15 Points What kind of weathering causes the mineral composition of rocks to change? Show Answer

Topic 1 Answer for 15 Points Chemical weathering Back to Board

Topic 1 Question for 20 Points A rock containing iron becomes soft and crumby and reddish brown in color. It has been chemically weathered by Show Answer

Topic 1 Answer for 20 Points Oxygen Back to Board

A hot and wet climate causes weathering to take place Topic 1 Question for 25 Points A hot and wet climate causes weathering to take place Show Answer

Topic 1 Answer for 25 Points rapidly Back to Board

Soil formation begins with the weathering of what? Topic 2 Question for 5 Points Soil formation begins with the weathering of what? Show Answer

Topic 2 Answer for 5 Points bedrock Back to Board

Soil that is rick in humus has high Topic 2 Question for 10 Points Soil that is rick in humus has high Show Answer

Topic 2 Answer for 10 Points fertility Back to Board

Soil formation wld take place most rapidly with the weathering of Topic 2 Question for 15 Points Soil formation wld take place most rapidly with the weathering of Show Answer

Limestone in a warm, wet climate Topic 2 Answer for 15 Points Limestone in a warm, wet climate Back to Board

Topic 2 Question for 20 Points When earthworms add waste to soil, then die and decay in soil, they are contributing to the formation of Show Answer

Topic 2 Answer for 20 Points humus Back to Board

Living organisms in soil help to Topic 2 Question for 25 Points Living organisms in soil help to Show Answer

Mix the soil and make humus Topic 2 Answer for 25 Points Mix the soil and make humus Back to Board

Decomposers are the soil organisms that Topic 3 Question for 5 Points Decomposers are the soil organisms that Show Answer

Break down and digest the remains of dead organisms. Topic 3 Answer for 5 Points Break down and digest the remains of dead organisms. Back to Board

Soil is a valuable resource b/c it Topic 3 Question for 10 Points Soil is a valuable resource b/c it Show Answer

Is important to all living things on land Topic 3 Answer for 10 Points Is important to all living things on land Back to Board

What can cause the loss of soil that is not protected by plant cover Topic 3 Question for 15 Points What can cause the loss of soil that is not protected by plant cover Show Answer

Erosion by wind or water Topic 3 Answer for 15 Points Erosion by wind or water Back to Board

Topic 3 Question for 20 Points Plowing removed the grass from the Great Plains and exposed the soil. What effect did this have when a drought cam during the 1930s? Show Answer

It helped to cause the Dust Bowl Topic 3 Answer for 20 Points It helped to cause the Dust Bowl Back to Board

What term describes the management of soil to prevent its destruction? Topic 3 Question for 25 Points What term describes the management of soil to prevent its destruction? Show Answer

Topic 3 Answer for 25 Points Soil Conservation Back to Board

Plowing fields along curves of a slope is called Topic 4 Question for 5 Points Plowing fields along curves of a slope is called Show Answer

Topic 4 Answer for 5 Points Contour plowing Back to Board

Topic 4 Question for 10 Points Growth of plant roots and animal activity result in what kind of weathering? Show Answer

Topic 4 Answer for 10 Points mechanical Back to Board

Topic 4 Question for 15 Points Granite lasts a long time when its used for bldg materials in areas with what climate? Show Answer

Topic 4 Answer for 15 Points Cool Back to Board

A permeable rock weathers easily b/c Topic 4 Question for 20 Points A permeable rock weathers easily b/c Show Answer

It contains many small, connected airspaces Topic 4 Answer for 20 Points It contains many small, connected airspaces Back to Board

Topic 4 Question for 25 Points Geologists infer from the rounded, eroded shapes of the Appalachian Mtns that Show Answer

The mtns have been eroding for millions of years. Topic 4 Answer for 25 Points The mtns have been eroding for millions of years. Back to Board

In which soil layer wld you find loam that is rick in humus Topic 5 Question for 5 Points In which soil layer wld you find loam that is rick in humus Show Answer

Topic 5 Answer for 5 Points A Horizon Back to Board

The texture, or particle size, of soil determines what? Topic 5 Question for 10 Points The texture, or particle size, of soil determines what? Show Answer

How much air and water the soil can hold Topic 5 Answer for 10 Points How much air and water the soil can hold Back to Board

The type of soil called loam is made of Topic 5 Question for 15 Points The type of soil called loam is made of Show Answer

Equal amounts of sand, silt, and clay Topic 5 Answer for 15 Points Equal amounts of sand, silt, and clay Back to Board

Topic 5 Question for 20 Points In conservation plowing, why are dead weeds and stalks of previous year’s crop left in the ground? Show Answer

To retain moisture and hold the soil in place Topic 5 Answer for 20 Points To retain moisture and hold the soil in place Back to Board

In a cross section of soil, the B horizon consists of Topic 5 Question for 25 Points In a cross section of soil, the B horizon consists of Show Answer

Clay, minerals, and little humus Topic 5 Answer for 25 Points Clay, minerals, and little humus Back to Board

The "Big Points" Question Show Question

25 10 9 11 12 14 13 8 7 3 2 4 5 15 6 1 16 27 26 28 29 30 24 23 18 17 20 19 21 22 “Big Points” Question A marble statue is left exposed to the wether. W/in few yrs, the details on the statue have begun to weather. This weathering is caused by Show Answer

Carbonic acid in rainwater Big Points Answer for Big Points Back to Board

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