Show:
EXAMPLES OF ROCKS
ROCK CYCLE
IGNEOUS ROCKS
METAMORPHIC ROCKS
SEDIMENTARY ROCKS
100
Obsidian is a ___________ rock.
What is igneous rock
100
Shows how one rock changes into another rock.
What is the rock cycle?
100
Igneous rocks form from these two items.
What is magma and lava?
100
Metamorphic rocks that have layers of alternating dark and light layers.
What is foliated metamorphic rocks?
100
Sedimentary rocks are classified into these three groups.
What is detrital, chemical, and organic?
200
Sandstone is a __________ rock.
What is sedimentary rock?
200
Sedimentary rocks change to sediments by _______.
What is weathering and erosion?
200
Igneous rocks that form below the surface are called this.
What is intrusive igneous rock?
200
A mixture of minerals, organic matter, volcanic glass, or other materials.
What is a rock?
200
Type of sedimentary rock made from broken fragments of other rocks.
What is detrital?
300
Gneiss is a __________ rock.
What is metamorphic rock?
300
Movement of weathered material.
What is erosion?
300
When lava cools at Earth's surface _________ igneous rocks form.
What is extrusive?
300
Metamorphic rocks that do not have layers.
What is nonfoliated metamorphic rocks?
300
Type of sedimentary rock formed from the remains of once-living things.
What is organic sedimentary rocks?
400
Granite is an _________ rock.
What is igneous rock?
400
The process in which rock is exposed to air, water, or ice and breaks into pieces.
What is weathering?
400
The type of igneous rock that forms when lava cools quickly.
What is extrusive igneous rock?
400
Two groups of metamorphic rocks.
What is foliated and nonfoliated?
400
Loose materials such as rock fragments, mineral grains, and bits of shells.
What are sediments?
500
Limestone is __________ rock.
What is sedimentary rock?
500
Difference between cementation and compaction.
What is cementation glues sediments together and compaction is where pressure causes sediments to stick together?
500
Molten material deep inside Earth.
What is magma?
500
List three items that can cause metamorphic rocks to form.
What are heat, pressure, and hot watery fluids?
500
Sedimentary rocks are formed from ______ & ________.
What is compaction and cementation?