Rock Cycle

1
Rock Cycle
2
(No Transcript)
3
DO NOW 6 Rock Cycle

• 1. How does an igneous rock change into a
  sedimentary rock?
• 2. How does a sedimentary rock change into a
  metamorphic rock?
• 3. How does a metamorphic rock change into an
  igneous rock?
• 4. What is an index mineral?
• 5. How are metamorphic rocks classified?

4
Sedimentary RocksHow They are Made

• Wind and water break down the earth
• Bits of earth settle in lakes and rivers
• Layers are formed and build up
• Pressure and time turn the layers to rock

5
Types of Sedimentary Rocks
6
Metamorphic RocksWhat are They?

• Rocks that have changed
• They were once igneous or sedimentary
• Pressure and heat changed the rocks

7
Types of Metamorphic Rocks
8
Igneous RocksWhat are They?

• Fire Rocks
• Formed underground by trapped, cooled magma
• Formed above ground when volcanoes erupt and
  magma cools

9
Types of Igneous Rocks