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Science Starter: November 14, 2011 <ul><li>Copy the question in your science notebook.  You will answer the questions for ...
Types of Rocks
Sedimentary Rocks <ul><li>Made up of smaller rocks cemented together </li></ul><ul><li>Sometimes have fossils </li></ul><u...
Sedimentary Rocks <ul><li>Form when loose sediment (rocks, sand) is deposited by water, compacted, and cemented together. ...
Sedimentary Rocks
Examples of Sedimentary Rocks
Igneous Rocks <ul><li>Some were once liquid magma that erupted from volcanoes. They cooled very quickly. (Extrusive) </li>...
Igneous Rocks <ul><li>Extrusive: </li></ul><ul><ul><li>Rocks that are from cooled lava (above ground. </li></ul></ul><ul><...
Igneous Rocks <ul><li>Which is extrusive and which is intrusive? </li></ul>
Igneous Rocks
Examples of Igneous Rock
Metamorphic <ul><li>Form when igneous, sedimentary, or other metamorphic rocks are heated and/or squished, forming a new r...
Metamorphic <ul><li>This can either happen underground or above ground. </li></ul><ul><ul><li>Underground: high pressure a...
Metamorphic Rocks
Examples of Metamorphic Rocks
 
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Types of rocks

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Class notes for Novemer 14, 2011

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Transcript of "Types of rocks"

  1. 1. Science Starter: November 14, 2011 <ul><li>Copy the question in your science notebook. You will answer the questions for homework. </li></ul><ul><li>What are the three rock types? </li></ul><ul><li>What are sedimentary rocks? </li></ul><ul><li>What are igneous rocks? </li></ul><ul><li>What are the two types of igneous rocks? </li></ul><ul><li>What are metamorphic rocks? </li></ul>
  2. 2. Types of Rocks
  3. 3. Sedimentary Rocks <ul><li>Made up of smaller rocks cemented together </li></ul><ul><li>Sometimes have fossils </li></ul><ul><li>Usually have layers. </li></ul>
  4. 4. Sedimentary Rocks <ul><li>Form when loose sediment (rocks, sand) is deposited by water, compacted, and cemented together. </li></ul><ul><li>Form as a chemical reaction in the water that leaves a chemical deposit, usually on an ocean bottom. </li></ul><ul><li>Form along beaches, by rivers, or under the water in lake or oceans. </li></ul>
  5. 5. Sedimentary Rocks
  6. 6. Examples of Sedimentary Rocks
  7. 7. Igneous Rocks <ul><li>Some were once liquid magma that erupted from volcanoes. They cooled very quickly. (Extrusive) </li></ul><ul><li>Others were once liquid magma, but they did not erupt from volcanoes. Instead, they cooled slowly underground. (Intrusive) </li></ul>
  8. 8. Igneous Rocks <ul><li>Extrusive: </li></ul><ul><ul><li>Rocks that are from cooled lava (above ground. </li></ul></ul><ul><ul><li>They cooled very quickly, therefore formed small crystals </li></ul></ul><ul><li>Intrusive </li></ul><ul><ul><li>Rocks that are from cooled magma (below ground) </li></ul></ul><ul><ul><li>They cooled very slowly, therefore formed large crystals. </li></ul></ul>
  9. 9. Igneous Rocks <ul><li>Which is extrusive and which is intrusive? </li></ul>
  10. 10. Igneous Rocks
  11. 11. Examples of Igneous Rock
  12. 12. Metamorphic <ul><li>Form when igneous, sedimentary, or other metamorphic rocks are heated and/or squished, forming a new rock type. </li></ul><ul><li>Usually has interlocking crystals and layers (called foliation) </li></ul>
  13. 13. Metamorphic <ul><li>This can either happen underground or above ground. </li></ul><ul><ul><li>Underground: high pressure and heat </li></ul></ul><ul><ul><li>Above ground: volcano erupting </li></ul></ul><ul><li>When classifying metamorphic rocks, they always come from a parent rock. </li></ul>
  14. 14. Metamorphic Rocks
  15. 15. Examples of Metamorphic Rocks
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