Rock CycleRock Cycle

This Kind

NOT THIS KIND

Do NowDo Now

1) Move to each station that is set up 1) Move to each station that is set up with rocks. Spend two minutes at with rocks. Spend two minutes at each station and list at least 4 each station and list at least 4 characteristics of the rocks that you characteristics of the rocks that you see. see.

2) Write down the definition for a 2) Write down the definition for a mineral. mineral.

3) What is the difference between a 3) What is the difference between a rock and a mineral?rock and a mineral?

Count off by 8 and get into Count off by 8 and get into groups. Try to arrange the rock groups. Try to arrange the rock cycle with the pieces given. cycle with the pieces given.

Rock DefinitionsRock Definitions

Igneous Rock:Igneous Rock:– Magma and Lava cools and hardens to formMagma and Lava cools and hardens to form

Sedimentary Rock:Sedimentary Rock:– The accumulation of various types of The accumulation of various types of

sediments compacted and cemented sediments compacted and cemented togethertogether

Metamorphic Rock: Metamorphic Rock: – Heat and pressure cause existing rocks to Heat and pressure cause existing rocks to

change their minerals and/or shapechange their minerals and/or shape

Intermediate StatesIntermediate States

Magma/LavaMagma/Lava SedimentSediment

ProcessesProcesses

1. Cooling/hardening1. Cooling/hardening 2. Compaction/Cementation2. Compaction/Cementation

– Compaction: weight of overlying Compaction: weight of overlying sediments causes pressure pushing sediments causes pressure pushing sediments togethersediments together

– Cementation: minerals dissolved in Cementation: minerals dissolved in water are transported and left behind water are transported and left behind to cement sediments togetherto cement sediments together

ProcessesProcesses

3. heat/pressure3. heat/pressure 4. melting4. melting 5. weathering5. weathering

– Change in the physical form or Change in the physical form or chemical composition of rock chemical composition of rock materials exposed at the surfacematerials exposed at the surface

What does the rock cycle that you What does the rock cycle that you created tell us about the fate of created tell us about the fate of rocks?rocks?

How are rocks classified? How does How are rocks classified? How does this different from the classification this different from the classification of minerals?of minerals?

Can you figure out which station held Can you figure out which station held which of the three types of rock?which of the three types of rock?