Download - Earthlayers rocks
Transcript
Earth's layers Crust Mantle Inner Core Outer Core
The crust and outer mantle make up the lithosphere.
About how thick is the lithosphere?
If Earth were and apple…
Peel = crustFruit = mantle
Outer core = coreInner core = seed
What is a rock?
A rock is any naturally formed solid in the crust made up of one or more kinds of minerals.
What are the 3 types of rocks?
Igneous rocks Sedimentary rocks Metamorphic rocks
3 types of rocks
How are each of these rocks formed?
Melted rock cools and becomes hard
igneous rocks
granitepumice
Layers of mud and sand slowly turn into rock
sedimentary rocks
sandstonelimestone
Rock is changed by pressure and heat
metamorphic rocks
gneissslate