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focuses light rays to a point |
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| gives exanded veiw of a smaller area |
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| from crest to crest or trough to trough |
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| device used to eliminate fires |
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| show the pattern of magnetic feild |
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| strongest region of a magnet |
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| path with switches that can mane the flow incomplete |
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| action of N pole on N pole or S pole on S pole (push away) |
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| current flows throught a single path |
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| a build up of electrons in a region |
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| point on surface above the quake point |
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break or crack in earths crust |
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| point in the earth where crust boundaries grind |
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| layer of earth between the outer core and crust |
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| original land mass; seperated into continents |
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| earths crust made in sections |
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| theory that new crust forms along a rift in ocean floor |
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| instrument that records earthquakes |
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| sand or stone suspended in water that scrapes on banks |
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fan-shaped sediment deposit at base of moutian unbroken rock |
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| fan-shaped sediment deposit at mouth of river |
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| water dissolving away rock |
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| wearing away and moving of weathered rock & soil |
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| layer that contains most minerials |
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| layer that containsdecayed organic material |
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in a sound wave, what part of the wave does the copresssion correspond to? |
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| what type of light does this visiable spectrum produce? |
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| what does light travel throught the fastest? the slowest? |
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fastest-gas (air) slow-solid |
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| what is the reason we see color? |
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all colors are absorbed except the colors we "see" |
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| what types of light cause objects to heat up |
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| which sediments settle first |
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know the relationship between deltas and farmlands |
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| deltas produce rich/good farmland |
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| know the soil layers and how they interact |
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layers overlap topsoil, subsoil, weathered rock, bed rock |
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know "deposition" and its prosess |
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| deposition drops sediments at shore; forms beaches |
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know how to determine age of rocks along a mid-oceanic ridge |
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| rocks are older the farther they are from ridge |
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| what do cinder cones produce? |
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| explosive eruptions, ash and rock |
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| what do shield valcanoes look like |
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