Vocabulary
Mixtures of different elements and compounds that combine in different proportions to form hard, solid materials of the Earth's surface
What is rocks?
gravel, sand, and organic material
What soil is composed of?
A hill with a steep slope will erode much slower than a piece of land without a hill? true or false?
false
The mixture of organic component, sand, and gravel that makes up the upper surface of the Earth
What is soil?
It may take thousands of years to weather a rock into smaller particles...True or false
True
Which of the following(s) could cause physical weathering? rain, growing tree roots, freezing and thawing ice
all of them
the elements and compounds found in rocks
What is minerals?
Which of the following(s) allow erosion to take place? water, trees, wind
water and wind
false
the process by which rock and soil materials are loosened or dissolved and transported from one place to another
What is erosion?
Which of the following would chemically weather the fastest? quartz gravel, marble gravel, or a large stone statue
marble gravel
How can sieves be used to analyze soil?
They separate soil by particle size.
disintegration or breaking of rock material into small fragments or pieces
What is physical weathering?
How does physical and chemical weathering combine to weather rocks?
Physical weathering breaks rocks into smaller pieces which exposes more of the rock's surface to chemical weathering. The combination of the two speeds up the process of weathering.
Explain the difference between physical and chemical weathering.
Rocks are physically weathered by breaking them into smaller pieces. Rocks are chemically weathered when compounds in the rock react chemically with another chemical.