rocks types of rocks sedimentary rocks metamorphic rocks igneous rocks
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Rocks
Types of Rocks
Sedimentary Rocks
Metamorphic RocksIgneous Rocks
Sedimentary RocksHow They are Made
Wind and water break down the earthWind and water break down the earth Bits of earth settle in lakes and riversBits of earth settle in lakes and rivers Layers are formed and build upLayers are formed and build up Pressure and time turn the layers to rockPressure and time turn the layers to rock
Types of Sedimentary Rocks
Gypsum
Sandstone
Shale
Limestone
Conglomerate
Metamorphic RocksWhat are They?
Rocks that have changedRocks that have changed They were once igneous or sedimentaryThey were once igneous or sedimentary Pressure and heat changed the rocks Pressure and heat changed the rocks
Types of Metamorphic Rocks
Schist Gneiss
Igneous RocksWhat are They?
Fire RocksFire Rocks Formed underground by trapped, cooled Formed underground by trapped, cooled
magmamagma Formed above ground when volcanoes Formed above ground when volcanoes
erupt and magma coolserupt and magma cools
Types of Igneous RocksGranite Scoria
Pumice Obsidian
Rocks Have Been Used For Many Years
and For Many Things
Rocks
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