What is a naturally, occuring, inorganic solid that has a crystal structure and a definite chemical composition?
a mineral
100
What type of igneous rock is it in which the grains are large and easy to see?
intrusive igneous rock
100
What are small, solid pieces of material that come form rocks or living things?
sediment
100
What type of rocks can be changed into metamorphic rocks?
igneous, sedimentary, and other metamorphic rocks
100
When you heft a mineral, what are you comparing?
the density
200
What is meant by inorganic?
not made from living things
200
What type of igneous rock forms from lava?
extrusive igneous rock
200
What type of rock is limestone when it is made from the remains of living things in the ocean?
organic rock
200
What type of metamorphic rock is slate?
foliated
200
Why are bricks, steel, and glass not classified as a mineral?
they are not naturally occuring; they are man-made
300
What is it called when a mineral splits easily along flat surfaces; forming sheets?
cleavage
300
What type of igneous rock is granite?
intrusive igneous rock
300
What type of sedimentary rock is limestone when it can form from calcite that is dissolved in lakes, seas, or underground water come out of solution and forms crystals?
chemical rock
300
What is the texture of a metamorphic rock that has grains arranged in parallel layers?
foliated
300
What are the particles of minerals that give a rock its texture called?
grains
400
What chart ranks ten minerals from the softest to the hardest?
the Mohn Hardness Scale?
400
What is the name of the glassy extrusive igneous rock?
obsidian
400
What is the type of sedimentary rock that is made up of broken pieces of other rocks;(conglomerate, breccia, sandstone)?
clastic rock
400
Metamorphic rocks that do not split into layers is said to have what kind of texture?
nonfoliated
400
What type of rock is made as the result of erosion on a mountain range that was pushed up as a result of two continental plates colliding?
sedimentary
500
What is it when a mineral breaks in a irregular way?
fracture
500
What type of igneous rock is basalt?
extrusive igneous rock
500
What would be the first step in changing granite into sandstone?
pieces of granite is made into sediment by erosion
500
When granite goes through heat and pressure, what will granite become as a metamorphic rock?
gneiss
500
What causes the uplifting, folding, and faulting that move rocks through the rock cycle?