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Science 6th Grade 1
Minerals and Rocks
Question | Answer |
---|---|
True or False? Minerals are made by people. | False |
True or False? Most rocks consist of one or more minerals. | True |
True or False? Rocks are classified in three major groups. | True |
True or False? Rocks have stopped forming on Earth. | False |
True or False? Rocks have many uses in society. | True |
Any characteristic of a mineral, such as state, color, and volume, that can be observed without changing the material. | Physical Property |
To reduce to a fine, unmixed, or pure state by removing all unwanted matter. | Refine |
Comes off in pieces or strips, is smooth, reflects light. | Cleavage |
Unsliced or breaks apart in chunks, can be jagged or irregular or smooth and curvey, does not shine. | Fracture |
Are rare, can be cut and polished, used for jewlry, usually expensive. | Gems |
Can be sold for profit, useful for a majority of products, takes millions of years to form. | Ore |
Diamonds form in the Earth's ____? | Mantle |
What is the first thing that happens to a mineral after it has been mined? | Processed |
What is the second thing that happens to a mineral after it has been mined? | Melted |
What is the third thing that happens to a mineral after it has been mined? | Refined |
What is the last thing that happens to a mineral after it has been mined? | Used in Products |