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Thread: The Rock Cycle

  1. #1 The Rock Cycle 
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    Ok, I need some help on the Rock Cycle Badger. I know that there are three type of Rocks, Sedimentary, Metamorphic and Igneous. Igneous is made by heating and then cooling down. Metamorphic rock is made by heat and pressure which changes the rock and sedimentary is made by little pieces of Earth that have been worn away, then cementation, compaction and then sedimentation or deposition. On the badger level criteria is says I need to:
    • Use symbol and word equations to show chemical changes
    • Use particle diagrams to show physical and chemical change
    I'm not sure what these two points mean, I know everything on how rocks are made and changed into one another and all the information but what does it mean symbol and word equation? what does it mean to do a diagram of physical and chemical change? What is the chemical change?


    Thanks everyone! I know this is a bit heisty.


    Last edited by HonkyHanka; November 21st, 2013 at 02:49 PM.
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  3. #2  
    Life-Size Nanoputian Flick Montana's Avatar
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    As for physical changes, you might give examples of morphological characteristics between rocks of each group or the actual physical properties of some of them. For chemical changes, my suggestion would be to consider the common minerals found in each group. Keep in mind that things like weather can be physical and chemical in nature.


    "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin
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  4. #3  
    exchemist
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    Quote Originally Posted by HonkyHanka View Post
    Ok, I need some help on the Rock Cycle Badger. I know that there are three type of Rocks, Sedimentary, Metamorphic and Igneous. Igneous is made by heating and then cooling down. Metamorphic rock is made by heat and pressure which changes the rock and sedimentary is made by little pieces of Earth that have been worn away, then cementation, compaction and then sedimentation or deposition. On the badger level criteria is says I need to:
    • Use symbol and word equations to show chemical changes
    • Use particle diagrams to show physical and chemical change
    I'm not sure what these two points mean, I know everything on how rocks are made and changed into one another and all the information but what does it mean symbol and word equation? what does it mean to do a diagram of physical and chemical change? What is the chemical change?


    Thanks everyone! I know this is a bit heisty.
    What have badgers got to do with it, though? I'm mystified.
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  5. #4  
    ▼▼ dn ʎɐʍ sıɥʇ ▼▼ RedPanda's Avatar
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    Quote Originally Posted by HonkyHanka View Post
    Ok, I need some help on the Rock Cycle Badger.
    This?
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  6. #5  
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    Thanks, I might do three diagrams and then the label the characteristics and then write down the similarities and difference. Well, a real badger has nothing to do with it. It's just called a badger for no reason at all, maybe the school has a liking to Badger's... Anyway I still don't understand the chemical bit, is it like what the each rock reacts to? Is there an equation or symbol to the reactors or whatever that it?

    Oh if you want to try a little Brain Interactive Rock Cycle - www. learner. org/interactives/rockcycle/testskills. html (without spaces btw, for some reason it doesn't let me do URL's on here).

    I got 11/15, a bit disappointing, thought I'd know better after 4 hours of class...
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  7. #6  
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    Quote Originally Posted by HonkyHanka View Post
    Thanks, I might do three diagrams and then the label the characteristics and then write down the similarities and difference. Well, a real badger has nothing to do with it. It's just called a badger for no reason at all, maybe the school has a liking to Badger's... Anyway I still don't understand the chemical bit, is it like what the each rock reacts to? Is there an equation or symbol to the reactors or whatever that it?

    Oh if you want to try a little Brain Interactive Rock Cycle - www. learner. org/interactives/rockcycle/testskills. html (without spaces btw, for some reason it doesn't let me do URL's on here).

    I got 11/15, a bit disappointing, thought I'd know better after 4 hours of class...
    Thanks for explanation about badgers. Seems there a publisher called badger or something so maybe the course work comes from them.

    The bit about chemical reactions suggests to me they want you either to use words (e.g. "Aluminium", "Magnesium") or chemical symbols (e.g. Na, Mg) to describe chemical changes to rocks in terms of reactions: A + B -> C + D. But without info from you as to the rocks, or rock transformations, you are being asked to consider, I would not know what chemical reactions they might have in mind. I recall most rock minerals, apart from easy ones such as limestone (essentially CaCO₃ and related species), are fairly complicated silicates, so I imagine their reactions will not be that simple. But we do have a real live geologist on the forum so if we get a sufficiently interesting question he may come out of the woodwork and help.
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    No, it doesn't sound simple at all and that's only Level 7 (B for a GSCE) and I've already wrote 2 pages as an introduction.

    So... where's that Einstein Geologist?
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    Quote Originally Posted by HonkyHanka View Post
    No, it doesn't sound simple at all and that's only Level 7 (B for a GSCE) and I've already wrote 2 pages as an introduction.

    So... where's that Einstein Geologist?
    That would be John Galt, but he ain't been here since the 19th.

    May he return soon.
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  10. #9  
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    Quote Originally Posted by HonkyHanka View Post
    No, it doesn't sound simple at all and that's only Level 7 (B for a GSCE) and I've already wrote 2 pages as an introduction.

    So... where's that Einstein Geologist?
    As I said, he can't help you unless YOU can provide some information about what minerals you are being asked to comment on. Can you explain a bit more about what chemical processes, or what rocks, you have been taught about? Then we can see.
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  11. #10  
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    Well I emailed my teacher and I got this:

    The particle diagrams are when you represent particles with a circle and they are arranged in neat lines and rows in a solid. In a liquid they are all touching still but are not arranged neatly. The chemical changes are
    basically referring to the erosion of the rock with acid rain.

    I've already finished the particle diagram and we haven't done much about the chemical changes except about how a rock gets weathered. One process is falling down a mountain, cliff etc. and the other one is Acid Rain but it hasn't been explained how the each rocks react to them (sedimentary, igneous and metamorphic). I know that Acid Rain is sulphur dioxide into the air but not sure about the rest. We haven't been learning about a particular rocks but I think I need an example of each, e.g limestone, basalt etc. I'm not sure if she means that if a type of rock is Alkali or Acid and contains some kind of chemical which reacts to sulphur dioxide.
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  12. #11  
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    Quote Originally Posted by HonkyHanka View Post
    Well I emailed my teacher and I got this:

    The particle diagrams are when you represent particles with a circle and they are arranged in neat lines and rows in a solid. In a liquid they are all touching still but are not arranged neatly. The chemical changes are
    basically referring to the erosion of the rock with acid rain.

    I've already finished the particle diagram and we haven't done much about the chemical changes except about how a rock gets weathered. One process is falling down a mountain, cliff etc. and the other one is Acid Rain but it hasn't been explained how the each rocks react to them (sedimentary, igneous and metamorphic). I know that Acid Rain is sulphur dioxide into the air but not sure about the rest. We haven't been learning about a particular rocks but I think I need an example of each, e.g limestone, basalt etc. I'm not sure if she means that if a type of rock is Alkali or Acid and contains some kind of chemical which reacts to sulphur dioxide.
    OK thanks for the background. Suggest reading the chemical weathering section of this: Weathering - Wikipedia, the free encyclopedia

    Plenty here about carbonation (conversion of carbonate to bicarbonate), acid rain and oxidation of minerals.
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