What is the top layer of soil that contains the most humus?
Topsoil
100
What is the middle layer of soil that is not rich and has bits of rock in it?
Subsoil
100
What is a hill of sand piled up by the wind?
Dune or sand dune
200
This is the process in which wind, water, and ice carry away bits of rock and soil and deposit it somewhere else.
Erosion
200
This is rotting plant and animal material.
Humus
200
This is the term used to describe soil that is rich in nutrients and minerals needed for plant growth.
Fertile
200
A huge sheet of ice that moves slowly across the land
Glacier
200
The process in which eroded rock is dropped into a new place
Deposition (Deposit)
300
What does it mean to conserve soil?
Save soil
300
Contour plowing is one thing farmers do to help prevent erosion. What is contour plowing?
Plowing around a hill
300
Terracing is one thing farmers do to try to prevent erosion.
What is terracing?
Cutting broad, flat steps into the sides of steep mountains.
300
Strip cropping is one thing farmers do to try to help prevent erosion.
What is strip cropping?
To plant a one or more rows of crops in between rows of another crop.
300
Using cover crops is one way to help slow erosion.
What are cover crops?
Cover crops are crops such as grass and clover that are planted to help prevent erosion.
400
This is a flat piece of land made of sand and mud deposited by a river near its mouth.
Delta
400
This is a pile of rock and soil deposited by a glacier.
Moraine
400
Explain how a wool sweater depends on soil.
Wool comes from sheep, who eat grass, which grows in soil.
400
What are the 5 main components of soil?
Rock, air, water, minerals, and humus
400
EXPLAIN one way that weathering occurs.
Water freezing in a crack, expanding and breaking the rock apart.
Roots from plants break rock apart. Acid rain hitting the rock over and over....OR whatever Mrs. Daiber agrees is correct.:)
500
What type of soil would you want for your field, and WHY?
A mixture of sand, clay, and humus because it would allow the plant to get the right amount of water and would be rich with nutrients and minerals.
500
What is the name for a cloud that is white, and puffy?
Cumulus
500
This is to group things using a set of rules.
Classify or classification
500
What do you call clouds that are very high, thin, wispy, and made of ice crystals?
Cirrus
500
What is the name of the weather instrument that is used to measure wind speed?