Download Students know

By Maria Flores
Fourth grade Earth Science Standard
4. The properties of rocks and minerals reflect the processes
that formed them. As a basis for understanding this concept:
a. Students know how to differentiate among igneous,
sedimentary, and metamorphic rocks by referring to their
properties and methods of formation (the rock cycle).
Types of Rocks
Rocks
Metamorphic
Igneous
Sedementary
The Igneous rock
form when magma of
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lava cool and hardens.
Types of Igneous Rocks
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Sedimentary Rocks
are usually made of
pieces of rock that
have been
squeezed and stuck
together.
Types of Sedimentary Rocks
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• Metamorphic rocks
form when heat and
pressure change
rocks.
Types Metamorphic Rocks
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References
http://www.tulane.edu/~sanelson/images/snevadabath.gif
http://www.physical geography.net/fundamentals
http://www.childrensmuseum.org/geomysteries