Types of Rock
How are Rocks Formed?
Vocabulary
Other
100
What are the three categories of rocks?
Igneous, Sedimentary, and Metamorphic rock.
100
If a volcano erupts the lava temperatures near 660 °F. What category of rock is formed when the lava quickly cools?
Igneous
100
What is rock formed by solidification of a molten magma?
Igneous
100
True or False a rock cycle is never ending?
True
200
What are rocks made up of?
Minerals
200
Things like gravel, sand, and rocks are moved by wind and go underwater the pressure of the water make what type of rock?
Sedimentary rock
200
What is a rock formed from pre-existing rocks
Sedimentary Rock
200
Why do the sediments become one rock when they become a sedimentary rock?
Pressure
300
Granite and Gabbro is what kind of rock?
Igneous Rock
300
Pressure from above and heat from the magma is how what rock is formed?
Metamorphic Rock.
300
Which rock started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary.
Metamorphic
300
Sedimentary rock is made up of ?
A. one layer
B. two layers
C. many layers
C. many layers
400
Lime stone and sand stone are what type of rock?
Sedimentary Rock
400
Both igneous rock and sedimentary rock can turn into metamorphic rock. What two conditions are necessary for this to happen?
Heat and pressure
400
What is semi-molten natural material
Magma
400
If a large crystals in the rock that glitter in the sunlight. What are you probably seeing?
A mineral
500
Marble and Quartzite are what kind of rock?
Metamorphic Rock
500
What type of rock is being formed?
Igneous
500
What is the slow journey of rocks down from Earth's surface and then back up again?
Rock cycle?
500
A pumice stone floats why is this kind of rock float?
It is a rock that has lots of gas bubbles or air-filled chambers in it.