Rocks Rock!<br />
Before we look at rocks, let’s review the characteristics of minerals.<br />Naturally occurring<br />Definite crystalline ...
What do you know about rocks?<br />Do you agree with these statements?<br />Rocks are hard.<br />Rocks are solid.<br />Roc...
Rocks are hard.<br />Not always…<br />Some rocks are soft and can be scratched with your fingernail (shale, gypsum)<br />O...
Rocks are solid.<br />Not always…<br />Some rocks contain water in pores.<br />Geodes hold water and minerals inside.<br /...
Rocks are natural.<br />Not always…<br />Consider everything that humans make.<br />
Rocks are made of minerals.<br />Not always…<br />Remember that minerals are made of inorganic material.<br />What about c...
So what are rocks then???<br />
How are rocks classified?<br />How they are formed!<br />Igneous – melting, cooling, and hardening<br />Metamorphic – heat...
Rocks rock!
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Rocks rock!

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Transcript of "Rocks rock!"

  1. 1. Rocks Rock!<br />
  2. 2. Before we look at rocks, let’s review the characteristics of minerals.<br />Naturally occurring<br />Definite crystalline structure<br />Definite chemical composition<br />Solid<br />Inorganic<br />Used for building materials, gemstones, health supplements, toothpaste, medical, baby powder, etc. <br />
  3. 3. What do you know about rocks?<br />Do you agree with these statements?<br />Rocks are hard.<br />Rocks are solid.<br />Rocks are natural.<br />Rocks are made of minerals.<br />
  4. 4. Rocks are hard.<br />Not always…<br />Some rocks are soft and can be scratched with your fingernail (shale, gypsum)<br />Other rocks are soft until they are exposed to air, or visa versa.<br />
  5. 5. Rocks are solid.<br />Not always…<br />Some rocks contain water in pores.<br />Geodes hold water and minerals inside.<br />Some igneous rocks are threaded or have fine meshwork, like Pele’s hair.<br />
  6. 6. Rocks are natural.<br />Not always…<br />Consider everything that humans make.<br />
  7. 7. Rocks are made of minerals.<br />Not always…<br />Remember that minerals are made of inorganic material.<br />What about coal? What about coquina?<br />What about obsidian? <br />
  8. 8. So what are rocks then???<br />
  9. 9. How are rocks classified?<br />How they are formed!<br />Igneous – melting, cooling, and hardening<br />Metamorphic – heat and pressure<br />Sedimentary – WEDCC<br /><ul><li>We will look at these in depth over the next few weeks.</li></li></ul><li>What are <br />
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