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Once you learn the names of these rocks, you’ll be rock solid! Let’s Get

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Main MenuIgneous Rock

Sedimentary Rock

Metamorphic Rock Test Your Knowledge

!

Igneous Rock

Formation

Types of RocksMain Menu

Formation

*Forms when magma or lava cools or hardens

*Most common rockIgneous

Rock

Types of Igneous Rock

*Intrusive-magma formed

*Extrusive-lava on the surface

Click on the black rock to find out what other term is used for the extrusive rock

Igneous Rock

Sedimentary Rock

Formation

Types of RocksMain Menu

Formation*Particles of rock and other materials are pressed and stuck together.

*Sedimentary rock can have sand, gravel, seashells, leaves, or twigs pressed inside.

Sedimentary Rock

Types of Sedimentary Rocks* Clastic Rock: pieces of rock that are

pressed and stuck together. One common rock is a conglomerate.

* Organic Rock: formed from the remains of plants and animals. One common rock is limestone, which is formed from shells and skeletons of animals.

* Chemical Rock: dissolved minerals come out of solution and form crystals. One common rock is halite, or rock salt.

Sedimentary Rock

Metamorphic Rock

Formation

Types of RocksMain Menu

Formation*Heat and pressure beneath Earth’s surface change into metamorphic rock

*ANY rock can become a metamorphic rock

Metamorphic Rock

Types of Metamorphic Rock

*Granite Gneiss

*Sandstone Quartzite

Metamorphic Rock

Test Your Knowledge!1.How is an igneous rock formed?A.Rock and other materials are pressed and

stuck together. B. Magma or lava cools or hardens.C. Heat and pressure.

2. What other term is used for an extrusive igneous rock where lava cools on the surface? A. BasaltB. GraniteC. ObsidianD. Sediment

3. What classification of rock do sedimentary have?A.Clastic, organic, chemicalB. Gneiss, quartziteC. Intrusive, extrusiveD.None of these

4. How does metamorphic rock form?A.Lava or magma cools or hardensB. Rock and other materials are pressed

togetherC. Heat and pressureD.All of the above

5. Which of these rocks is most common?A.IgneousB. Sedimentary C. Metamorphic

6. Which rock can have sand, gravel, seashells, leaves, or twigs pressed inside them?A.IgneousB. SedimentaryC. MetamorphicD.None of these

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The End!Citations

Citations • http://geology.com/rocks/igneous-rocks.shtml• http://easyscienceforkids.com/all-about-igneous-rocks/• http://geology.com/rocks/sedimentary-rocks.shtml• http://www.rocksandminerals4u.com/rock_cycle.html• http://www.geo.hunter.cuny.edu/tbw/soils.veg/lecture.outlines/soils.ch

ap.1.2/soils.chap.1.2.htm• http://www.learner.org/interactives/rockcycle/diagram.html• http://web.tiscali.it/gherda-wolit/natura/pietre.wav• http://download.gameszone.ro/cs/sound/TOMB1_01.WAV• PowerPoint sound/drums

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