What is in Soil?
Where is soil found?
The ground
What is the highest soil level?
Topsoil
Choose one fast-process of changing the Earth's surface and describe what happens.
Various answers.
How do humans use the Earth's material?
Farming, Creating materials, building things
Sand
How is soil formed?
Breaking down of rocks and living things.
Which layer is mostly made up of not-broken down rock?
Bedrock
What are 3 natural fast-processes of changing the Earth's surface?
Tsunami
Earthquake
Landslide
What are two things made from the Earth's suface?
Pottery, Glass
Which type of soil has the smallest-sized particles and holds a lot of water?
Clay
What part of soil provides nutrients for the plants to grow?
Humus
What is the middle layer of soil?
Subsoil
What is Erosion?
The process of carrying away broken down rocks.
Why should humans take care of the Earth's surface?
It provides many things, God created it
Which type of soil has medium-sized particles and holds a medium-amount of water?
Silt
What is humus?
Decomposed animals and plants found in soil.
Which layer has the most humus?
Top Soil
What is weathering?
The process of breaking down larger rocks into smaller ones.
How can humans use the Earth's surface wisely?
Be careful how we use the materials
Which type of soil has a combination of all soil types?
Loam
How is humus made?
Decomposers, like mold, break down dead animals and plants.
What is the lowest soil layer?
Bedrock
What are the two natural slow-processes of changing the Earth's surface.
Weathering
Erosion
How do humans change the Earth's surface?
Farming, Digging, Oiling, Building
Of silt, sand, clay, and loam, which type of soil do you think is most common in Arizona?
Clay