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Published byMariano Rake
Modified over 2 years ago
Do now! Can you complete the experiment sheet we did last lesson? Interesting scientist
Last lesson Investigating the suitability of rocks for different purposes
Which rock would make the best statue? What did you decide?
Today’s lesson Three main rock types
Three main rock types Sedimentary
Three main rock types Metamorphic
Igneous rocks From the latin “ignis” meaning fire
Igneous rocks Formed by the cooling of lava or magma What’s the difference?
Igneous rocks Made from crystals
Igneous rocks Quick cooling forms small crystals, slow cooling forms large crystals
Igneous rocks Basalt is formed by quickly cooling lava
Igneous rocks Pumice is formed from lava that contains a lot of gas. It can float!
Igneous rocks Obsidian is like dark glass formed when molten silica cools quickly!
Igneous rocks Granite is made from magma that cools slowly underground
Sediments like sand and mud build up at the bottom of oceans and rivers
Sedimentary rocks Over millions of years pressure from successive layers forms these into sedimentary rocks
Sedimentary rocks Layers!
Sedimentary rocks Animals and plants can be trapped in the sediments and can form fossils
Sedimentary rocks Sandstone is made from sand grains stuck together
Sedimentary rocks Limestone is made from the mineral calcite which came from the beds of evaporated seas and lakes and from sea animal shells.
Sedimentary rocks Conglomerate rocks are made up of large sediments like pebbles. The sediment is cemented together with dissolved minerals.
Sedimentary rocks Shale are formed from clay and mud that is compacted together by pressure.
Metamorphic rocks are rocks that have "morphed" into another kind of rock.
Metamorphic rocks These rocks were once igneous or sedimentary rocks. The rocks are under tons of pressure, which causes heat build up, and this causes them to change.
Metamorphic rocks These often also contain thin layers and crystals but are much harder than sedimentary rocks
Metamorphic rocks Marble is limestone that has been metamorphised
Metamorphic rocks Slate is metamorphised shale
Metamorphic rocks Anthracite coal
Brain-map Mr Porter is now going to put these slides on a loop so you can brain map them!
Today’s lesson Three main rock types.
Rocks The solid mineral material forming part of the surface of the earth and other planets.
Rocks and Weathering Rock Cycle
Classifying Rocks Igneous Metamorphic Sedimentary
Three Types of Rock.
Types of Rocks Chapter 31 There are three main types of rocks:
Rocks Here, There, Everywhere
The Rock Cycle.
Watch Video What are rocks? Rock is a compact mass of mineral matter.
Rocks There are three main types of rocks: 1. Igneous 2. Sedimentary 3. Metamorphic.
Rock Notes- 3 types of Rock
Classification of Rocks. 1. How do the crystals or minerals form in a rock? 2. Why do some rocks have layers? 3. Why do some rocks have rounded particles.
Earth Rocks Science & Minerals Sedimentary & Metamorphic Rocks.
Form Group 80 17th April Types of Rocks... erosion sediments sedimentary metamorphic igneous intrusive volcanoe Grand Canyon.
The Rock Cycle By: Brianna Shields January 25, 2005.
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