Show:
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Minerals
Rock Cycle
100
molten rock
What is igneous rock formed from?
100
sandstone
What is sand-size;easy to fee the grittiness.
100
heat and pressure
What is makes metamorphic rocks?
100
Mohs Hardness Scale
What is a scale between 1 and 10 that is used to test the hardness of minerals?
100
mechanism
What is the way rocks are formed called?
200
Greater than 900*C
What is the temperature igneous rocks need to form?
200
conglomerate
What is sedimentary rock is made up of granules, pebbles and larger sand grains cemented together?
200
cleavage
What is the ability to break in flat planes? slate
200
Streak
What is a test for minerals looking at the mineral powder?
200
weathering, transportation and deposition
What is the first stage to making sedimentary rocks?
300
pumice
What is an igneous rock that floats?
300
shale
What is a sedimentary rock made of fine grains, clay minerals?
300
marble
What is the metamorphic rock made from limestone?
300
oxygen, Silicon and aluminium
What are the three most common elements in minerals?
300
lithification
What is the compaction and cementation of sediments to make sedimentary rocks?
400
70 - 150 km
What is the distance beneath the earth's surface that igneous rocks form?
400
Limestone
What is a sedimentary rock made of organic materials?
400
gneiss
What is metamorphic rock made from granite?
400
diamond
What is the hardest mineral?
400
100* to 900*
What is the temperature that metamorphic rocks form?
500
Plutonic
What is a type of igneous rock that has coarse crystals?
500
clastic
What is lithified sediment called?
500
slate
What is metamorphic rock made from shale?
500
dodecahedron
What is 12 sided crystal shape?
500
extrusive rocks
What are igneous rocks formed on the surface of the earth called?