Reread ST pp. 143-149 and record the pages.
Write the keywords and their meanings in your notebook.
Complete AM pp.115-118.
Read ST pp.146-148 and answer the questions below. (Complete the worksheet.)
- What layer of soil do we usually see?
- What grows in topsoil?
- What else does topsoil contain?
- What layer of soil is under topsoil?
- Does subsoil contain any humus?
- What does subsoil have that topsoil does not?
- What do we call the large, unbroken rock under the subsoil?
- What are the three layers of soil?
- Does the surface of the earth always stay the same?
- What happens to rocks when they break into little pieces?
- What causes rocks to break apart?
- What is the breaking down of rocks into smaller pieces called?
- How does water weather rocks?
- How does wind weather rocks?
- What are four things that can weather rocks?
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