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Okay, let's begin
Compound
A substance composed of two or more elements
Chemically combined in definite proportions by weight
Mixture
Two or more substances that are not chemically united, such as air
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
Lesson
Six

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Left channel
Right channel
Hydrogen, H, plus one
Sodium, N-A, plus one
Magnesium, M-G, plus two
Aluminum, A-L, plus three
Potassium, K, plus one
Calcium, C-A, plus two
Chromium, C-R, plus two, 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?
Edit
No
Combinations of music

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You're about to play a soul forty-five RPM recording
But the turntable is set at thirty-three and a third
And the record plays very slowly

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Uh, let's pick up the tempo a bit, eh?

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Now let us imagine that 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, uh-uh
Right when he's playin' the drum, you know
Let him play a couple of beats alone (Ugh)

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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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Uh

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Listen
Scratching
The greatest thing on Earth

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What do you do?
What do you do?

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Terrible, woah, hahaha
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
From now until your next lesson
We want you to study carefully every section of lesson six
And to go back over lesson four
Practice carefully
And you will be ready for the new techniques and new situations
We will cover together in lesson five