Types of Rocks
Igneous Rocks
Metamorphic Rocks
Sedimentary Rocks
Rock Cycle
100
What type of rock is formed from melted magma or lava?
Igneous Rock
100
What is magma called when it is above ground?
lava
100
What are Metamorphic Rocks?
rocks that undergo heat and pressure turn into metamorphic rocks
100
What is a sedimentary rock?
a rock made from layers of sediment that turn into rock because of compaction and cementation
100
Weathering and erosion causes all kind of rocks to turn into what?
What is sediments
200
What rock is formed from layers and layers of sediments?
Sedimentary
200
What is lava called when it is below ground
Magma
200
What are some characteristics of metamorphic rocks?
Flattened grains, swirls, foliation
200
What is erosion of rocks?
when little bits and pieces of rock are broken off and carried away
200
Rocks turn into what under heat and pressure?
What is metamorphic rock
300
What type of rock is formed when it changes from heat and pressure?
Metamorphic
300
Pumice is a rock that cooled above ground. Did it cool slowly or quickly?
quickly
300
Gneiss is what type of igneous rock that was changed from heat and pressure?
granite
300
Why are fossils commonly found in sedimentary rock?
animals need to be buried quickly by sediments and not decompose in order to become fossils
300
when rocks melt and cool again it turns into what?
What is igneous
400
This type of rock is formed by slowly cooling pockets of lava underneath the Earth's surface
Intrusive
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