SCI.3.6.1 (1 of 1) Why is soil important?
SCI.3.6.2 (1 of 3) Use the text tool to label the soil layers.
SCI.3.6.2 (2 of 3) This layer of soil is located below the topsoil. It is not as good for plant growth and forms over a long period of time.
SCI.3.6.2 (3 of 3) This layer of soil is solid rock. It forms over a long period of time and is not good for plant growth.
SCI.3.6.3 (1 of 2) Humus would most likely be found in what layer of soil?
SCI.3.6.3 (2 of 2) Humus is formed when organic material decays or decomposes on the surface so it will be located closest to where leaves and other material decompose.
SCI.3.6.3 (1 of 2) This component of soil does not hold retain well and can hold it's shape when wet.
SCI.3.6.3 (2 of 2) Sand is made of small grains of worn-down rock, and contains a lot of nutrients. It is good soil to use for planting vegetables.
SCI.3.6.4 (1 of 2) One way we can help prevent soil erosion is to
SCI.3.6.4 (2 of 2) Grab the pen tool and circle the soil conservation method that originated with the ancient Chinese.
SCI.3.5.1 and SCI.3.5.3 Beth wants to plant a small flower garden for her grandmother. Explain how the different components of soil will help the plants grow.