What are some examples of organic matter found in soil?
-dead leaves, bones, sticks, dead animals
The name for scientists who study rocks.
Geologist
Soil that has lots of organic matter is what colour?
Dark black or brown.
What does the term "weathering" mean?
Breaking down of rocks.
List 3 ways that rocks can be broken down into smaller pieces.
Wind, water, ice, humans
List four things that can be found in soil.
If you can scratch a rock with a ________ it is soft.
Finger nail
Worm.
What is the thickest layer of the earth called?
Mantle
What is the hardest mineral?
Diamond
True or False: Soil is the same in all parts of the world.
False!
List the four properties of rocks that we have learned in class.
Color, texture, luster, hardness
What is the thinnest layer of the earth called?
The crust
Explain how we use rocks and minerals every day.
-countertops, building materials, jewelry, decoration