Igneous Rocks
What are the two types of igneous rocks?
Intrusive and Extrusive
What does metamorphic mean?
rock has transformed due to heat and pressure
What are sedimentary rocks made of?
sediment
How can a Igneous rock turn into metamorphic rock?
Heat and pressure
What are intrusive rocks formed of?
Magma
What are the two types of metamorphic rocks?
Foliated & non-foliated
How are sedimentary rock formed
weathering, erosion, deposition, compaction, and cementation
How does an Igneous rock turn into a sedimentary rock?
Weathering and erosion
How does the rate at which magma cools affect the texture?
If it cools fast it will have fine grains with little or no crystals. If it cools slowly it will have course grains with crystals.
where would you expect to find metamorphic rocks?
Below the earth surface, in the crust, at great depts, and near magma
What can be found in sedimentary rocks?
fossils of plants and animals
How can a sedimentary rock turn into a metamorphic rock?
heat and pressure
What do extrusive rock form from?
Lava
Where are metamorphic rocks formed?
In the earth
what type of rock might contain evidence of past life?
sedimentary rocks
How does a metamorphic rock turn into a igneous rock?
melting and cooling
What are a few of the many uses of igneous rocks?
Construction, statues, kitchens, and concrete.
What can metamorphic rocks turn into?
Igneous, sedimentary, and other metamorphic rocks