Rocks 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?
Rock is a natural occurring solid mixture of one or more minerals and organic matter
So what is a Mineral?
Naturally formed solid matter that has a crystalline structure.
How do you describe Minerals?
Color Hardness Density Fracture Composition Texture
Composition Limestone is a rock composed of the minerals Calcite and Argonite. Limestone= CaCO 3
Grains Fine Grain Small crystals Basalt Med Grain Granite Coarse Grain Crystals are large and can be seen with the naked eye Conglomorate
Rock Texture Fig. 5.1
Rock typeCharacteristics Igneous Sedimentary Metamorphic
Three 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 Rocks ExtrusiveExtrusive: … lava cools above ground. Pumice Scoria Ash
Process of Intrusion Intrusive rocks..... lava cools undergroundIntrusive rocks..... lava cools underground