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Published byMariano Rake
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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!
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Rocks Types of Rocks Sedimentary Rocks Metamorphic Rocks Igneous Rocks.
I. Minerals and Rocks A. Early Earth 1. Early surface was a violent place 2. Full of molten lava and no atmosphere; it took time for Earth to cool and.
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Sedimentary Rocks Rocks made of bits & pieces of other rocks.
The word igneous means fire. This will help us remember how they are formed. These are rocks that are formed from magma that has cooled and hardened.
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What are the characteristics of rocks? The types of rocks are : Igneous -Igneous rocks are formed from melted rock that has cooled and solidified rocks.
Geology Part II The Rock Cycle Rocks: –Igneous –Sedimentary –Metamorphic Geologic Profiles Geologic Time –Relative –Absolute –Radioactive Dating.
Rocks and Minerals. Types of Rocks Igneous Rock Sedimentary Rock Metamorphic Rock.
An Interactive Tutorial Click here to begin.. Welcome! In this tutorial, you will be asked to do two things. First, you will work your way through the.
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A PRESENTATION BY CHLOE THORPE. CHARACTERISTICS OF ROCKS COLOR TEXTURE HARDNESS WEIGHT.
6. Minerals and Rocks 6.1 Minerals are all around us 6.2 Rocks form in different ways 6.3 Natural processes break down rocks 6.4 Geologic maps show Earth’s.
Igneous Rocks Hot rocks/Fire Rocks Igneous comes from Latin and means fire.
Chapter 3 Rocks. Rock – any solid mass of mineral or mineral-like matter that occurs naturally as part of our planet –Usually solid mixtures of minerals.
ROCK IDENTIFICATION Liz LaRosa
SEDIMENTARY ROCKS. Classification of Rocks 4 Rocks are aggregates of minerals. Geologists divide rocks into three groups: igneous, metamorphic, and sedimentary.
Ch 3 Notes Mr. Russo Beaumont High School. Ch 3 Vocab Matrix – Pg 30 Igneous Rock Lava Magma Weathering Sediments Sedimentary Rock Metamorphic Rock Intrusive.
Liz LaRosa 2010http://www.middleschoolscience.com Images from Geology.com unless otherwise noted.
Angstrom Care 1www.AngstromCare.com Angstrom Care Rocks II.
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