Vocabulary
The area of sediment that builds up at the mouth of a river is called what?
What is delta?
Frost weathering is when temperatures are so hot it melts rocks?
False
Explain frost weathering
The loose material at the surface of the earth?
What is topsoil
A process of breaking rocks into smaller pieces.
What is weathering?
How can the activities of people affect erosion?
Possible answers but not limited to these answers.
What is the removal of trees and other plants?What is farming, mining, or building?
A large amount of snow and ice that suddenly moves down a mountain.
What is an avalanche?
Sand dunes are formed by water erosion?
False
How are sand dunes formed?
The decayed plants and animal material found in soil?
What is humus
The process of wearing away rocks by friction.
What is abrasion?
How does gravity affect a landslide and avalanche?
Gravity pulls the soil and rocks downward.
Physical features on the earth's surface are called what?
What are landforms?
True
The largest bits of weathered rock in soil.
What is sand
The dropping of sediment.
What is deposition?
What is the difference between erosion and weathering?
Weathering is a process that breaks down or changes rock.
Erosion is the moving of sediment from one place to another.
A layer of soil that is unweathered solid rock.
What is bedrock?
The dropping of sediment is called erosion.
False
What is it called?
The combination that is found in most soil is?
What is sand, silt, clay
Glaciers that move between mountains cause what?
What are U-shaped valleys?
Natural causes of weathering.
What is water, wind, and plants?
Soil is made up of what?
What is weathered rock, water, air, and humus?
clay is the largest bits of weathered rock found in soil?
False
What are the largest bits of weathered rock found in soil?
subsoil
What is a landslide?
How does a volcano form a landform?
Lava and rocks pile up and cool on the surface of the earth.
Bonus 100 points:
What two landforms do volcanoes often make?