Top Layer
Most of the earth's plants grow on this layer.
What is the "topsoil"?
This is the middle layer of soil.
What is "subsoil"
This is the bottom layer of soil.
What is "bedrock"?
This process breaks down rocks, but leaves them where they are.
What is "weathering"?
Soil is divided into three ____.
What are "layers"?
This word, which is the word for dead and decaying things, gives topsoil its nutrients.
Georgia is known for having this reddish material in the ground.
What is "clay"?
True or false: plants can grow in bedrock.
What is "false"?
This process breaks down rocks, but moves it somewhere else.
What is "erosion"?
Sand found in freshwater is usually not called sand, it is actually called this.
What is "silt"?
True or false: the topsoil is the thickest layer of soil.
False! The topsoil is actually quite thin.
This is made of broken up rocks, and is bigger than silt or clay.
What is "sand"?
Rocks in the bedrock can be described as this size.
What is "large" or "big"?
These are examples of natural forces that cause weathering and erosion.
What are: rain, snow, ice, plants, animals, lightening, and wind?
This type of mineral is bigger than silt and clay.
What is "sand".
Most plants live in the topsoil. What is a type of plant that can go beyond the topsoil?
What are "tree roots"?
Clay is this word, meaning it soaks up a lot of water.
Bedrock is tightly packed in the earth. This is because of this "p" word, pressing down on it.
What is "pressure"?
True or false: rocks are a result of weathering and erosion.
What is "true"?
Water will pass through soil faster if the rocks are bigger/smaller. Which one?
What is "bigger"?
The plants we grow out of topsoil is an example of this type of resource.
What is a "natural resource"?
This scientific word is another name for "subsoil" (it was in the BrainPop we watched!).
What is Horizon B?
Water cannot get to the bedrock easily because of the subsoil above it. This material in the subsoil soaks up all the water before it can get to the bedrock.
What is "clay"?
True or false: mountains are created by weathering and erosion.
What is "true"?
Running water will make rocks bigger/smaller. Which one?
What is "smaller"?