What type of soil has medium-sized particles, feels smooth and fine, and is carried and deposited by moving water?
Silt
Which soil has large, gritty granules and does not retain water very well?
Sand
Which soil is often red in color, has very small particles, and retains water very well?
Clay
Which soil is best for growing plants?
Loam
What is the breakdown of earth and rock into smaller pieces?
Weathering
The movement of rock and soil from one place to another is called...
Erosion
When sediments are laid down in new locations building new landforms, it is called...
Deposition
When soil is able to remain moist by holding onto water, we say it ____________ water.
retains
What is the thin, rich layer of soil where most nutrients for plants are found?
Topsoil
Changes to the earth's surface are caused by wind, water, and _________.
ice
Size, Color, texture, and ability to retain water are all ...
Properties of Soil
Volcanoes, landslides, and tsunamis are examples of natural disasters that bring about ___________ changes to earth's surface.
rapid
Large, thick masses of ice formed by fallen snow which has compressed over time are called...
glaciers
A piece of land in the shape of a triangle or fan made by deposits of mud and sand at the mouth of a river is called a ...
delta
What do we call the loose dirt that covers much of the earth's surface?
Soil
