Vocab
What is a glacier?
What is a Large mass of moving ice on Earth's surface
What are the biggest grains in soil?
Sand
What is weathering?
What is soil forms when rocks break down into smaller and smaller pieces. Many different things can weather rocks.
What is a natural resource?
What is natural resources are materials found on Earth that help living things.
What types of rocks are basalt and granite?
Igneous
What is humus?
What is the part of soil that comes from dead plants and animals
What has medium sized grains in soil?
What is silt
What weathers rocks?
What is Rain, Wind, Changes in Weather, Glaciers, Living Things
What is a food web?
What is plants and animals are linked together and depend on one another for food.
What type of rock is shale?
Sedimentary
What is texture?
What is how a material feels
What has the smallest grain in soil?
What is clay
What is an important part of soil other than weathered rocks?
What is Humus, air, and water
What is more fertile: loam or sandy soil?
What is Loam!
What type of rocks are slate and gneiss?
Metamorphic
What is erosion?
What is movement of weathered materials by water or wind
What are the three main layers of soil?
What is Topsoil, Subsoil, and Bedrock
How many years does it take a think layer soil to form?
What is hundreds of years....
Why do we need soil to support life?
What is many things depend on soil. People, animals, insects, plants. etc.
Sedimentary
What are minerals?
What is nonliving materials that form in nature; what rocks are made of
What soil has the most nutrients?
What is Loam.
What is humus made up of?
What is humus is made by bacteria. Bacteria eat dead plants and animals. They break the plants and animals into tiny pieces. These pieces become humus.
What would happen to the earth if we no longer had soil?
What is we would not have food, air, and life on land would no longer exist.
Rocks are made up of these.
Minerals