When rocks are broken down into smaller pieces, this is called,
A. erosion
B. weathering
C. soil
B. weathering
100
___________ weathering occurs when rocks are broken down into smaller pieces by natural forces and living things.
Mechanical
100
Landslides are types of erosion caused by ____________
A. wind
B. water
C. ice
D. gravity
Gravity
100
Give an example of chemical weathering.
answers will vary
100
erosion occurs when water, ice, wind and gravity move ________________ of rock and soil from one place to another.
particles
200
Rain, sleet, or snow that contains an abnormal amount of acid is called,
A. acid precipitation
B. desertification
C. erosion
A. acid precipitation
200
__________ weathering occurs when a rock's minerals are changed into new substances.
Chemical
200
_________ occurs when oxygen from the air and water reacts with the iron in rocks.
A. weathering
B. Oxidation
C. Erosion
D. All of the above
B. Oxidation
200
Give an example of mechanical weathering.
answers will vary
200
______________ picks up light sediment like sand and soil and moves it to other places.
Wind
300
When water, ice, and wind move particles of rock and soil from one place to another, this is called,
A. acid precipitation
B. erosion
C. weathering
B. erosion
300
A __________ is a mass of ice that covers a large area and moves slowly.
glacier
300
___________ occurs when water, ice, wind, and gravity move particles of rock and soil from one place to another.
A. erosion
B. acid rain
C. gravity
D. weathering
A. erosion
300
What are 3 forces that cause erosion?
wind, water, gravity, ice
300
Landslides are forms of erosion that happen very __________.
quickly
400
When land goes from being fertile to being barren, like a desert, this is called
A. erosion
B. soil
C. desertification
C. desertification
400
The ____________ is the layer that contains nutrients and minerals from decaying plant and animal remains.
topsoil
400
Acid precipitation is rain, sleet, or snow that contains a/an __________ amount of acid.
A. small
B. abnormal
C. natural
D. unnoticeable
B. abnormal
400
How do glaciers cause erosion?
move slowly and scrape sediment, melts and deposits in warmer climate
400
The forces that attracts objects to each other is called,
A. erosion
B. weathering
C. gravity
C. Gravity
500
A mixture of weathered rock particles, minerals, and plant and animal remains is called
A. soil
B. acid precipitation
C. desertification
A. soil
500
Fully developed soil has ________ layers.
four
500
______________ plays a part in weathering rocks.
A. water
B. wind
C. vegetation
D. all of the above
D. all of the above
500
How do waves cause erosion?
Waves carry sediment of sand, pebbles, and shells, and the sediment chips away at the shorelines
500
Why do you think an area covered by plants is less likely to be eroded by wind?
Areas covered by plants have the soil and rocks covered so the wind cannot pick up sediment or expose rocks to weathering.