Rock Cycle

Rock Cycle

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Types of Rocks

There are three types of rocks: igneous, sedimentary, and metamorphic.

These are formed differently than one another and have identifiable characteristics.

Igneous Rocks

• These rocks are formed from cooling lava and magma.

• The lava and magma cool forming solid and crystallizing.

• If it cools underground, it is called intrusive.

• If it cools above ground, it is called extrusive.

Properties of Igneous Rocks

• ​Include more than 1 mineral

• Can be glassy or coarse

• Large crystals if cooled slowly​

Open Ended

How would you describe igneous rocks?

Sedimentary Rocks

• These rocks are formed by the build up of sediments (weathered rocks) or fossils.

• The sediments and fossils are pushed together or become cemented in water.

• They can display many layers or the individual parts that make the rock.

Properties of Sedimentary Rocks

• ​Includes pieces of other rocks or living things.

• Layers are possible due to deposition​

• Fossils are most commonly found in these types of rocks.

Open Ended

How would you describe sedimentary rocks?

Metamorphic Rocks

• These rocks are formed in areas of high temperature and pressure changes.

• The crystals are in the rock are changed and form a new rock.

Properties of Metamorphic Rocks

• Located deep in the Earth's crust

• Commonly seen with zigzags or stripes due to squishing and squeezing

• ​Wide range of luster, color, density, and minerals

• Uniq​ue minerals located in these type of rock

Open Ended

How would you describe metamorphic rocks?

Rock Cycle

• This is the process on Earth that recycles matter into new matter.

• Rocks are always moving in this cycle.

• The path may change depending on the conditions.

Multiple Choice

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

Multiple Choice

The process by which metamorphic rocks are formed...

• heat and pressure
• erosion and deposition
• melting and cooling

Multiple Choice

This rock was formed when molten rock cooled into a solid. What type of rock is it?

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock

Multiple Choice

A rock formed from fragments of other rocks is a(n)

• Metamorphic Rock

• Sedimentary Rock

• Extrusive Rock

• Igneous Rock

Multiple Choice

Which of these BEST describes how an igneous rock forms?

• cooling of magma

• weathering of other rocks

• colliding of tectonic plates

• pressing together of smaller rocks

Multiple Choice

Which best describes one-way igneous rocks form?

• Sedimentary rocks erode.

• Sedimentary rocks are compacted.

• Metamorphic rocks are melted, then cooled.

• Metamorphic rocks are deposited and cemented

Multiple Choice

The process by which metamorphic rock changes to igneous rock begins with

• melting

• erosion

• deposition

• crystallization

Multiple Choice

A rock that forms from many small fragments of other rocks is a(n)

• igneous rock

• metamorphic rock

• sedimentary rock

• extrusive rock

Multiple Choice

Which is the process that breaks up rock on Earth’s surface?

• deposition

• melting

• compaction

• weathering