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Rocks and Minerals
Science Chapter 6
Question | Answer |
---|---|
Where are fossils are most often found? | sedimentary rock |
A scientist who studies the Earth is a(n) __________________. | geologist |
What is the Earth’s greatest treasure? | soil |
What holds soil together? | plant roots |
Hot molten rock deep below the Earth’s surface is called _______________. | magma |
Minerals valued for being rare and beautiful. | gems |
Minerals that contain useful substances. | ores |
A measure of how well a mineral resists scratching. | hardness |
The way light bounces off a mineral. | luster |
A solid material of Earth’s crust with a definite composition. | mineral |
Rocks changing from one into another in a never-ending series of processes | rock cycle |
A rock formed when melted rock material cools and hardens. | igneous rock |
A rock formed under heat and pressure from another kind of rock. | metamorphic rock |
A rock made of bits of matter joined together. | sedimentary rock |
A naturally formed solid in the crust made up of one or more minerals. | rock |