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Rocks and Minerals
Question | Answer |
---|---|
Sand, bits of soil, and remains of once living things are all examples of ______________ | Sediments |
Continuous series of changes that rocks undergo. | Rock Cycle |
Rock that forms when existing roch is changed by extreme heat and pressure is called _______ | Metamorphic Rock |
Rock that forms when sand, particles of rock, bitrs of soil, and the remains of once living things are pressed together and harden is called ______ | Sedimentary Rock |
Rock that forms when melted rock from deep below Earth's surface cools and hardens is called ______ | Igneous Rock |
All rocks are made up of one or more ______ | Minerals |
This is the think, outer layer of Earth that is made up of rock. | Crust |
The innermost layer of Earth is the ______ | Core |
What must occur for an igneous rock to become sedimentary rock? | Weathering |
Which kind of rock does not require heat to form? | Sedimentary rock |
A mineral that is shiny, like a metal is called a ______ | Metallic Mineral |
The ______scale listts the hardness of minerals. | Mohs |
It is the softest mineral and is used to make a type of powder. | Talc |
The hardest mineral is a ______ | Diamond |
The color of a mineral when it is ground into a powder is called its ______ | Streak |
If a mineral splits easily alon flat surfaces, it is said to have ______ | Cleavage |
A measure of how easily a mineral can be scratched is called ______ | Hardness |
A minerl that is dull or glassy is called a ______mineral. | non-metalic |
The way a mineral shines is its ______. | Luster |
The layer of the Earth between the crust and the core is the _________ | Mantle |