Igneous
Sedimentary
Metamorphic rock
The Rock Cycle
Weathering the storm
100
This is molten rock found below the earth's surface.
Magma
100
tiny pieces of rock, sand, shells, etc. is called what
sediment
100
Metamorphic rock is formed by
Heat and pressure
100
When sediments go under compacting and cementing processes they become___________
Sedimentary rocks.
100
The chemical and physical breakdown of rocks into sediment.
Weathering
200
This is molten rock found above the earth's surface.
Lava
200
The final 2 processes that turn sediments into sedimentary rocks?
compaction and cementation?
200
Metamorphic rocks are usually very hard. True or false?
True
200
When igneous, metamorphic and sedimentary rocks go under weathering and eroding they become_________________
sediments
200
Rock is weathered by water getting into rocks, it freezes and then ________
Expands
300
Melted rock that cools quickly results in igneous rocks with what?
Small crystals
300
Minerals can act like _________, holding the rock together
cement
300
Where are metamorphic rocks made
Deep underground
300
The processes that turn metamorphic rocks into sediments
weathering and erosion?
300
Rocks can get weathered by heat. How?
Heat makes things expand, when rock expands and then shrinks at night, little cracks will begin to appear
400
When magma does this it forms granite with large crystals
Cools slowly
400
Sandstone can form when layers of sand are buried and put under _____________.
pressure
400
Name a metamorphic rock
Slate, gneiss, marble, quartzite
400
_________ and ____________ turn sedimentary rocks into metamorphic rocks.
Heat and pressure
400
extrusive igneous rock is being formed from lava
500
_________ igneous rock is made from lava
Extrusive
500
What are two things that can be found in sedimentary rocks that scientists can study to learn about the past?
fossils of plants and animals
500
_________ are formed in metamorphic rocks at high temperatures and pressure.
Crystals
500
When metamorphic and igneous rocks go under melting they turn into__________
What is magma?
500
When fossils are formed, they do not always stay as bones. over a long time, the bones are replaced by _____________.
Minerals