WildWild

WeatheringWeatheringErosion & Erosion & DepositionDeposition

Natural & Natural & Human Human HazardsHazards

Helpful-Helpful-Harmful Harmful HumansHumans

Be Be ResourcefulResourceful

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The grinding away of rock by other rock particles

What is abrasion?

Back to you Alex 100

This type of weathering causes the mineral composition of rocks to

change.

What is chemical weathering?

Back to you Alex200

2 causes of chemical weathering

What are water, oxidation, carbonic acid, plant acids & acid rain?

Back to you Alex300

Weathering occurs fastest when the climate is these two things.

What is hot and humid?

Back to you Alex400

2 ways that plants cause weathering

What is roots prying apart cracks in rocks and producing weak acids that dissolve

some rocks?

Back to you Alex500

#1 agent of erosion

What is water?

Back to you Alex100

The process of moving weathered rock & soil from one place to

another

What is erosion?

Back to you Alex200

The definition of deposition

What is laying down sediment in a new location?

Back to you Alex300

Back to you Alex

Daily Double

Plants hold soil in place and protect it from these 2 types of erosion.

What are water and wind erosion?

400

A method farmers use to minimize soil erosion

What is leaving dead stalks & weeds in the group (conservation plowing) or plowing

along the curves of the land (contour plowing)?

Back to you Alex500

5 natural hazards

What are avalanche/blizzard, hurricane, tornado, flood, drought, tsunami, earthquake, volcano, landslide, or

wildfire?

Back to you Alex100

An example of a catastrophic event that would speed up erosion &

deposition

What is hurricane, tornado, flood, drought, tsunami, landslide, or wildfire?

Back to you Alex200

An example of a catastrophic event that would change Earth’s crust

What is earthquake or volcano?

Back to you Alex300

2 ways that human activities can decrease the damage of natural

hazards

What are using sturdy building materials, having a safety/evacuation plan, warning systems, board up windows (hurricane),

conserve water (drought)?

Back to you Alex400

Three ways that human activities can increase the damage caused by

natural disasters

What are farming, logging, mining, building on coasts/floodplains or

pollution?

Back to you Alex500

When a drought struck the U.S. in the 1930s, the Dust Bowl occurred

because of this human activity

What is poor plowing techniques that left the soil exposed to the wind?

Back to you Alex100

The management of soil to prevent its destruction

What is soil conservation?

Back to you Alex200

Besides money, a cost of cutting down a forest to build a

neighborhood

What is disrupt the ecosystem, destroy wildlife habitats, reduce number of

producers available to food web, reduce number of trees to clean the air, etc. ?

Back to you Alex300

A benefit of cutting down a forest to build a neighborhood

What is new homes for families & jobs for construction workers?

Back to you Alex400

Three ways people can reduce their use of natural resources

What are recycle, conserve water, lower thermostat, buy recycled products,

carpool, turn out lights when leaving a room, etc?

Back to you Alex

Daily Double

500

Oil and coal are this type of resource.

What is non-renewable?

Back to you Alex100

An example of an inexhaustible resource

What are sunlight, geothermal, hydroelectric, or wind?

Back to you Alex200

Fruit, livestock, fish and forests are this type of resource.

What is renewable?

Back to you Alex300

The reason we should not rely on non-renewable sources of energy

What is those energy sources can eventually run out?

Back to you Alex400

What is the resource is used faster than it is replaced?

Back to you Alex

A renewable resource can become completely used up if this happens

500