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Soil Profile
Weathering & Erosion
Rock Cycle
Random Facts #1
Vocabulary Words
100
How many layers are there in the soil profile and what are they from top to bottom?
What is 3 layers: topsoil, subsoil, and bedrock (parent material)
100
What is the difference between weathering and erosion?
What is weathering is the breaking & erosion is the movement.
100
How many steps in the rock cycle are there, and what are they?
What is 3: sedimentary, igneous, and metamorphic.
100
Why do we need plants anchored in the soil?
What is to help keep it from blowing away.
100
What are nutrients?
What is things that you need to help other things grow
200
In which layer is it almost completely solid rock?
The bedrock layer.
200
If water causes two rocks to smash together, is that weather or erosion?
What is weathering - it's breaking it down.
200
Which type of rock includes heat & pressure?
What is metamorphic.
200
What is one way that homeowners can stop erosion in their backyards?
What is by planting plants and/or putting in a wall/fence.
200
What is a mineral?
What is a solid formed in nature with its own unique crystal structure; rocks are made out of them.
300
In which layer do small animals burrow into the soil?
What is subsoil
300
When plant roots grow in between rocks, is that weathering or erosion?
What is weathering - breaking down.
300
In which type of rock (that's layered) will you find fossils?
What is sedimentary rock.
300
Erosion will move sediments in one general direction... which is it?
What is down! Gravity pulls it down.
300
What is bedrock?
What is the deepest layer of soil, completely made up of rock.
400
Name two living and two non-living things found inside of soil.
What is bugs, earthworms, etc. and leaves, sticks, rocks, etc.
400
When water moves sediments downstream, what is happening, weathering or erosion?
What is erosion.
400
Which type of rock forms from magma deep inside the Earth that then involves a cooling process as lava when it erupts?
What is igneous rock.
400
Why is topsoil usually darker in color than the other layers of soil?
What is it's full of decaying organisms.
400
What is a soil profile?
What is a side view of soil as it progresses down in its different layers.
500
How many years does it take to create one inch of topsoil
What is 1,000 years.
500
Wind carries sediments from a mountaintop down into a valley. What just happened?
What is erosion.
500
If I pick up a rock and it has crystals and is rough & grainy, which rock type would it belong to (such as granite)
What is igneous rock.
500
Why do we need soil?
What is to prevent soil erosion.
500
Give me one example of erosion and one example of erosion that you would find.
What is ...