Rocks & Minerals

Review Game

1) A mineral is a naturally occurring, inorganic, solid, with crystal structure, and chemical composition.

2) Why are bricks not minerals?They are not naturally occurring- man made

3) Minerals are inorganic because they can’t be made from once living material.

4) If one mineral scratches another, what can you infer about that mineral? It is harder

5) A person that searches for ore is a ___prospector_____ and a person that digs them up is a _______miner______ .

6) Describe a strip mine.Layers of the land are scraped away to expose the ore.

7) Describe a shaft mine.Series of tunnels that follow the ore.

8) What is the purpose of making alloys?To make the metal better.

9) Are rocks limited in which ways they move through the rock cycle?No- they can take any path.

10) If an igneous rock cools quickly, what kind of grains will it have? Small or fine grains

11) The most abundant intrusive igneous rock is ____Granite_____ , and the most abundant extrusive igneous rock is __________Basalt___ .

12) What happens when rock fragments go through abrasion?One or both rocks are scratched by rubbing together.

13) Describe ice wedging.Water freezes in a crack and expands the crack.

14) The largest soil particle is ____Gravel________ and the smallest is _______clay___ .

15) What is found in the “A” horizon of soil?Humus and rock fragments

16) Describe an organic rock.Was formed by the remains of a living organism.

17) Where does the heat that helps change metamorphic rocks come from?Mantle or core

18) Describe a foliated metamorphic rock.Has parallel bands

19) What is humus?Decaying organic matter

20) What does it mean when the soil is permeable?It will drain well

21) The amount of space between soil particles is called ____porosity_______.