Edit.
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OK, let's begin!
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Compound: A substance composed of two or more elements chemically combined in definite proportions by weight.
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Mixture: Two or more substances that are not chemically united, such as air.
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Solution: A uniform mixture of varying proportions of a solvent and a solute.
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For many of our students, this is the lesson you've been waiting for.
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Lesson... Six.
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Left channel.
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Right channel.
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Hydrogen, H, +1.
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Sodium, Na, +1.
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Magnesium, Mg, +2.
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Aluminum, Al, +3.
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Potassium, K, +1.
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Calcium, Ca, +2.
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Chromium, Cr, +2, three, six.
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Any physical difficulty with a record, or a turntable, is taken care of.
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Do you think that Led Zeppelin and Frank Sinatra would go together?
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Edit.
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No.
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Combinations of music.
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You're about to play a sole, 45 RPM recording,
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But the turntable is set at 33 and 1/3,
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And the record plays very slowly.
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Let's pick up the tempo a bit, eh?
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Now let us imagine you are in the middle of your Disk Jockey program.
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This is the mark of a professional.
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Yeah, if you could throw a couple...yeah uhuh..
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Right when he's playin' the drum...
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Let him play a couple' beats alone.
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Eeeeuuh.
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Uh!
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Oh I'm sorry, I had the turntable at the wrong speed.
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Listen!
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Scratching -- The greatest thing on earth!
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What do you do?
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What do you do?
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Drop!
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Chemical change: a change that alters the composition of the molecules of a substance. New substances with new properties are produced.
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Drop.
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From now until your next lesson, we want you to study carefully every section of lesson six, and to go back over Lesson 4.
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Practice carefully, and you will be ready for the new techniques and new situations we will cover together in Lesson 5.
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Lesson 6: The Lecture
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| Jurassic 5 |
