Upload
jmontagna
View
3.410
Download
1
Embed Size (px)
Citation preview
Types of RocksTypes of RocksThere are three main types of rocks. Click on the rocks below to learn more.
Igneous
SedimentaryMetamorphic
Click here to learnabout the rock cycle
Credits and Links
Igneous RocksIgneous Rocks
Some places on Earth are so hot that rock Some places on Earth are so hot that rock melts into melts into magmamagma. Igneous rocks form . Igneous rocks form
when magma cools and hardens.when magma cools and hardens.
Home The Rock Cycle
Sedimentary RocksSedimentary RocksAs rocks age they erode and lose tiny bits As rocks age they erode and lose tiny bits called sediment. This sediment collects, gets called sediment. This sediment collects, gets packed together and hardens. Sedimentary packed together and hardens. Sedimentary
rocks are hardened sediment from other rocks are hardened sediment from other rocks.rocks.
Home The Rock Cycle
Metamorphic RocksMetamorphic RocksSometimes rocks experience great pressure. Sometimes rocks experience great pressure. When this happens they can change without When this happens they can change without melting. Metamorphic rocks are formed when melting. Metamorphic rocks are formed when any type of rock changes without melting. any type of rock changes without melting.
Home The Rock Cycle
The Rock CycleThe Rock Cycle
Rocks are constantly changing between the Rocks are constantly changing between the three types. This is called the rock cycle.three types. This is called the rock cycle.
Igneous
Magma
SedimentaryMetamorphic
Erosion
Melting
Home
Melting
Cooling
Pressure
Pressure
MagmaMagmaWhen rocks get very hot they melt. Magma When rocks get very hot they melt. Magma
is this liquid rock. It is called lava when it is this liquid rock. It is called lava when it reaches Earth’s surface.reaches Earth’s surface.
Home The Rock Cycle
Sources and LinksSources and Links
For more information visit:For more information visit:http://www.minsocam.org/MSA/K12/rkcycle/metamorphic.htmlhttp://www.minsocam.org/MSA/K12/rkcycle/metamorphic.htmlhttp://http://www.rocksforkids.com/RFK/howrocks.htmlwww.rocksforkids.com/RFK/howrocks.htmlhttp://http://www.learner.org/interactives/rockcycle/index.htmlwww.learner.org/interactives/rockcycle/index.html
CreditsCreditsAll photographs from Wikimedia Commons All photographs from Wikimedia Commons http://http://
commons.wikimedia.org/wiki/Main_Pagecommons.wikimedia.org/wiki/Main_Page
Home