| A | B |
|---|
| minerals | the building blocks of rocks |
| streak test | the color of the powder left when a mineral is rubbed across a white tile |
| luster | how light bounces off a mineral |
| hardness (scratch test) | how easily a mineral can be scratched |
| texture | how the grain looks, course vs. fine |
| igneous rock | when melted rock from a volcano cools and hardens |
| sedimentary rock | rock that forms from layers of sand, shale, and lime |
| metamorphic rock | rock that is changed by great heating and squeezing deep inside the earth |
| natural resource | land, trees, water, minerals, fossil fuels |
| finished products | lumber, pencils, furniture |
| REnewable resources | a resource that can be replaced or used again and again |
| NONrenewable resources | a resource that CAN NOT be replaced readily or reused again |
| CONSERVation | to SAVE our natural resources |
