rocks rocks rock!!!!. when you classify objects, you organize them into groups based on common...
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RocksRocks
Rocks Rock!!!!Rocks Rock!!!!
• When you classify objects, you organize them into groups based on common characteristics.
• What are some different ways you could classify these marbles?
• What characteristics do you think scientists use to classify rocks?
What are Rocks?What are Rocks?
What are Rocks?What are Rocks?
• Rock is a natural occurring solid mixture of one or more minerals and organic matter
So what is a Mineral?So what is a Mineral?
So what is a Mineral?So what is a Mineral?
• Naturally formed solid matter that has a crystalline structure.
How do you describe Minerals?How do you describe Minerals?
How do you describe Minerals?How do you describe Minerals?
• Color
• Hardness
• Density
• Fracture
• Composition
• Texture
CompositionComposition
• Limestone is a rock composed of the minerals Calcite and Argonite.
• Limestone= CaCO3
GrainsGrains
• Fine Grain
• Small crystals
• Basalt
• Med Grain
• Granite
• Coarse Grain
• Crystals are large and can be seen with the naked eye
• Conglomorate
Rock Rock TextureTexture
Fig. 5.1
Rock type Characteristics
Igneous
Sedimentary
Metamorphic
Three Types of RocksThree Types of Rocks
Three Types of RocksThree Types of Rocks
• Igneous
• Sedimentary
• Metamorphic
• Write at least two paragraphs on how rocks can move through the rock cycle using at least 8 vocabulary terms.
Genetic Classification of Igneous RocksGenetic Classification of Igneous Rocks• ExtrusiveExtrusive: … lava cools above ground.
Pumice
Scoria
Ash
Process of IntrusionProcess of Intrusion• Intrusive rocksIntrusive rocks..... lava cools underground..... lava cools underground