Weathering And Erosion: Question Preview (ID: 29920)

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Which layer of the soil contains the humus?
a) topsoil
b) subsoil
c) bedrock
d) lava

Plants grow in what layer of soil
a) topsoil
b) subsoil
c) bedrock
d) humus

Small bits of weathered rock is known as
a) humus
b) delta
c) sediment
d) bedrock

Moving weathered rock from one place to another is known as
a) frost weathering
b) glaciation
c) erosion
d) deposition

Dropping sediments in a new place is known as
a) erosion
b) deposition
c) delta
d) sedimentation

A delta is located where
a) a stream meets a river
b) a river begins
c) a river meets the sea
d) a glacier forms

What forms soil?
a) water, air, leaves
b) weathered rock, air humus, water
c) fossils, humus, boulders, pebbles
d) weathered rock, air, grass

What causes rocks to weather?
a) water
b) wind
c) plants
d) all of the above

What two things are caused by gravity?
a) deltas and tornadoes
b) weathering and windstorms
c) landslides and avalanches
d) wind and water

What is abrasion?
a) rocks wearing down by friction
b) rapid downhill movement of soil and rocks
c) a river of ice that stays frozen all year
d) a volcano spewing out lava

What is a glacier?
a) a large sheet or river of ice that stays frozen all year
b) a large amount of snow that falls rapidly down a mountain
c) a large amount of frozen precipitation in one area
d) huge rocks that form after a volcano erupts

What part of the soil does not contain any weathered rocks?
a) topsoil
b) subsoil
c) bedrock
d) sand

What two forces push land upwards?
a) rivers and streams
b) earthquakes and volcanoes
c) glaciers and wind
d) oceans and geysers

What is found in humus?
a) rocks
b) clay
c) sand
d) decaying material

What types of weathered rocks is soil made of?
a) boulders, rocks, pebbles
b) grass, leaves, tree roots
c) sand, silt, clay
d) glass, trash, dead animals

What landform is caused by a glacier?
a) moraine
b) mountain
c) delta
d) allluvial fan

What type of valley does a glacier form?
a) C shaped
b) U shaped
c) V shaped
d) O shaped

Erosion happens
a) slowly
b) rapidly
c) both slowly and rapidly
d) neither slowly nor rapidly

Which of the following is a landform?
a) river
b) sand dune
c) pond
d) lake

How can people cause erosion?
a) Building sidewalks and driveways and chopping down trees
b) Singing too loudly
c) Eating too many vegetables
d) Hiking through mountains

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