Nutrient-rich organic matter made up of dead animals and plants
Humus
- I hold onto water very well
- I am not great for growing most plants
- You can grow roses in me
Clay

List one reason composting is good
- Helps the environment
- Makes food for plants
- Reduces garbage
What do we use soil for?
- Growing food
- Growing plants
fossil formation depends on ________ and _______ conditions of the environment.
physical and chemical
The upper layer of soil that is rich in nutrients. This layer is very important for growing plants.
Topsoil
- Water flows right through me
- I am bad for growing plants
Sand

List three things that can go in a compost pile
- Banana peel
- Orange peel
- Apple core
- Fruit
- Veggies
- Dirt
True or False:
Bedrock has a lot of nutrients?
False
What are the three major types of unconformities
disconformities, - eroded portion of rock between two horizontal sedimentary layers
nonconformities - eroded portion of rock between different types of rocks
angular unconformities - horizontal layers are tilted or fold due to erosion
Layer of soil below the topsoil. This soil is full of minerals and rocks.
Subsoil
- I am good for growing plants
- I hold some water, but not too much
Silt

What can never go in a compost pile?
- Meat
- Dairy
- Eggs
- Plastic
- Onions
- Garlic
What is this top layer?

- Humus
PH scale
The solid rock below the subsoil.
Bedrock
- I am a combination of all of the types of soil
Loam

Are compost piles cold, normal temperature, or hot?
Hot!
Compost piles can get to 77 degrees Celsius!
What causes soil erosion?
- Weathering
- Wind
- Rain
- Farming
- Crumbly dirt
Name the following particles in order from largest grain to smallest. silt, clay, sand.
sand .05-2mm
silt .002 - .05 mm
clay <.002
No plants can enter this area
Bedrock
True or False:
Having some sand in your loam is good for plants?
True
- While sand may not be great for growing plants individually, it is an important part of loam soil
Why do we avoid including meat in our compost?
It attracts animals!
Name the four parts of soil
- gases
- Water
- Rocks and Minerals
- Organic Matter
What is this little dudes name?

baby yoda