1. Rocks
October 9, 2014

2. Rock
a mixture of minerals, rock fragments, volcanic glass, organic matter, and other natural materials

3. Sediment
Loose material: like tiny pieces of rocks, mineral grains from rocks, bits of shell and remains of living things that are moved by wind, water, ice, or gravity.

4. Rock Cycle The process that creates and changes rocks
Shows how rocks can change from one type to another

5. Compaction
The process where layers of sediments are pressed together to form rock

6. Cementation
The process where sediments are held together by dissolved minerals produced when water moves through rock

7. Weathering
The process where air, water, or ice breaks down rocks into smaller and smaller pieces

8. Erosion
The movement of weathered material (Sediments)

9. Magma
Melted rock under Earth’s surface

10. Exit Pass 1. Choose three words and use them in a sentence.

11. Types of Rocks
IGNEOUS ROCKS
SEDIMENTARY ROCKS
METAMORPHIC ROCKS

12. Igneous Rocks:
A rock formed from cooled and hardened magma or lava.

13. Sedimentary Rocks:
A rock formed when sediments are pressed and cemented together, or when minerals form from solutions

14. Metamorphic Rocks:
A rock that has been changed because of changes in temperature and pressure, or the presence of hot, watery fluids