Rocks/Minerals and Soil Goals
The Earth is made of 1.) Rocks (minerals), 2.) Soil, 3.) Water, and
4.) Gases of the Atmosphere.
The 3 properties we can observe in minerals are 1.) Color, 2.) Luster
(shiny or dull) and 3.) Hardness (1-10 on the hardness scale)
The 4 properties we can observe in soil are 1.) Color 2.) Texture 3.)
Ability to Support Plant Life and 4.) Capacity to Retain Water.
The 3 forms that water is found in on the Earth are solid, liquid and gas.
Water can change from one form to another by adding heat or taking
heat away.
Name 3 Earth materials and explain how people use them:
Clay, marble and stone are used for building materials.
Petroleum and natural gas are sources of fuel.
Soil is used to help grow plants we use for food.