Make a model of the layers of soil you learned about in the text you read in this lesson. You can use rocks, sand, clay or just create a drawing. Go outdoors and use sidewalk chalk to create the layers of the earth on your sidewalk.

Watch the video found on the link below from KET's Think Garden collection that explains why soil is more than just dirt. Learn how to tell if soil is rich and healthy or lacking in nutrients, which nutrients are essential for plant growth, and what happens if plants lack these nutrients. Also find out how to improve soil with crop rotation and by weeding. Also, find out what compost is, and how to use it in a garden.

How Dirt Works