Sand, Clay, Humus and Gravel
In this unit, we will study the 4 types of soil
The first type of soil is sand
Write something you observe about this sand:
Questions pertaining to the website:
Is rock(gravel) near the top or lower levels of soil?
What might you find in the humus layer?
What other soil components do you find (near) clay?
The next type of soil is clay
Write something that you observe about this image of clay:
What happens to the sand and clay during the experiment? Be specific and use RARE strategies to answer.
The next type of soil is humus
What can you observe about the humus?
The next type of soil is gravel.
What can you observe about the gravel: