This is made of very, very small rocks and has NO nutrients. When dry it cracks and when wet it is SLIMY!

The wise use of natural resources is called...

The movement of weathered materials is called.......

When normally dry land is covered with water it is called...

The environment where an organism lives is called a.....

A component of soil that has animal and plant materials is called....

A material in the environment that is useful to people is called a....

Substances an organism needs in order to survive and grow are called.....

A living thing is called a(n) ........

A _______ is a solid mixture of minerals formed in the Earth and breaks down to form soil.

This is composed of weathered rock and minerals. It has few minerals and does NOT hold water well.

This is larger than clay but smaller than sand. Erodes easily. Lots of nutrients. Slimy when wet.

The loose upper layer of the Earth's surface where plants grow.

This makes sure that plants use DIFFERENT nutrients each year so it can replenish nutrients.

This is when you plant a row of trees or shrubs to protect against soil erosion.

This is the leveling of slopes on hills so the side of the hill looks like stairs. It helps slow down soil erosion and runoff.

Click on ways you can CONSERVE soil.

Why is planting trees good to help slow down soil erosion?

Click on ALL correct answers. Soil animals help the soil by.....

Bacteria, insects, roots, worms, dead organisms and protozoa in the soil are called.....

Which particle sizes are in order from largest to smallest?

Plants rely on the soil to have 6 major nutrients including phosphorus, potassium, sulfur, and what other 3!!

Plants use carbon dioxide and WHAT to make oxygen and glucose(sugar)?

Click on all the things a worm does for the soil?