Types of Soil Land and Water Unit

Let’s think back… what is a property? A property tells something about an object that helps identify it, such as color, texture, shape, and size! Think of adjectives to describe these different forms of matter!

Tiny rocks of different sizes Properties of Gravel Big Hard Tiny rocks of different sizes Doesn’t clump Water goes through it

Properties of Sand Large Rough Rocks and Shells Crumbly Crunchy Sound Spreads Out

Clumps when you pinch it Properties of Clay Small Red See it on fingers Slight smell Clumps when you pinch it Soft

Rich with Plant and Animals Properties of Humus Tiny roots Rich with Plant and Animals Dark color Black Wet Soft Won’t Clump

Think about it…  What types of soil would be washed away first? Think about this component’s properties that would make it so easily washed away! Think back to the pictures from yesterday’s stations. What is the relationship between land and water? How is this related to this lesson?

Why are some of the gravel particles rounded? Which types of these soils would be the best for plants to grow? Think about each of their properties! Why are some of the gravel particles rounded?