《Lesson 6: The Lecture》歌词

[00:00:00] Lesson 6- The Lecture - Jurassic 5

[00:00:01] OK let's begin

[00:00:04] Compound: A substance composed of two or more elements chemically combined in definite proportions by weight

[00:00:10] Mixture: Two or more substances that are not chemically united such as air

[00:00:15] Solution: A uniform mixture of varying proportions of a solvent and a solute

[00:00:24] For many of our students this is the lesson you've been waiting for

[00:00:28] Lesson Six

[00:00:38] Left channel

[00:00:41] Right channel

[00:00:45] Hydrogen H 1

[00:00:47] Sodium Na 1

[00:00:49] Magnesium Mg 2

[00:00:52] Aluminum Al 3

[00:00:54] Potassium K 1

[00:00:56] Calcium Ca 2

[00:00:58] Chromium Cr 2 three six

[00:01:29] Any physical difficulty with a record or a turntable is taken care of

[00:01:44] Do you think that Led Zeppelin and Frank Sinatra would go together

[00:01:48] No

[00:01:50] Combinations of music

[00:02:08] You're about to play a sole 45 RPM recording

[00:02:12] But the turntable is set at 33 and 1/3

[00:02:14] And the record plays very slowly

[00:02:23] Let's pick up the tempo a bit eh

[00:02:37] Now let us imagine you are in the middle of your Disk Jockey program

[00:02:48] This is the mark of a professional

[00:02:59] Yeah if you could throw a couple yeah uhuh

[00:03:02] Right when he's playin' the drum

[00:03:03] Let him play a couple' beats alone

[00:03:05] Eeeeuuh

[00:03:16] Uh

[00:03:46] Oh I'm sorry I had the turntable at the wrong speed

[00:04:13] Listen

[00:04:18] Scratching -- The greatest thing on earth

[00:04:31] What do you do

[00:04:33] What do you do

[00:04:46] Drop

[00:04:56] Chemical change: a change that alters the composition of the