Posted: March 28th, 2023
Rocks
question
How do geologists classify rocks?
answer
Geologists classify rocks by Grain size, Grain shape, Grain pattern, No visible grain, Mineral Composition.
question
Texture is how a rock looks and feels, give 2 examples of how a rock looks.
answer
A rock looks Smooth, glassy.
question
Texture is how a rock looks and feels, give 2 examples of how a rock Feels.
answer
A rock can feel rough, and or Chalky.
question
Grain Size: Explain the difference of “coarse grained”
answer
Coarse Grained rocks are rocks like Diorite.
question
Grain Size: Explain the difference of “fine grained” rocks.
answer
Fine grained rocks are rocks like Slate.
question
How are rocks formed that have “no visible grain”?
answer
Rocks that have no visible grain are like the rock Flint.
question
Origin refers to where a rock was formed. List the 3 major rock groups that group rocks by their origin.
answer
Igneous rock, sedimentary rock, and Metamorphic rock.
question
Which rock group forms rocks using heat and pressure?
answer
Metamorphic rock.
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