Lesson 6: The Lecture-Jurassic 5

[00:00.00]Lesson 6:The Lecture -Jurassic 5 [00:00.000] 作词 : Macfadden [00:01.138]OK let's begin [00:04.638]Compound:A substance composed of two or more elements chemically combined in definite proportions by weight [00:10.898]Mixture:Two or more substances that are not chemically united such as air [00:15.78]Solution:A uniform mixture of varying proportions of a solvent and a solute [00:24.908]For many of our students this is the lesson you've been waiting for [00:28.648]Lesson Six [00:38.18]Left channel [00:41.638]Right channel [00:45.758]Hydrogen H 1 [00:47.938]Sodium Na 1 [00:49.878]Magnesium Mg 2 [00:52.368]Aluminum Al 3 [00:54.298]Potassium K 1 [00:56.488]Calcium Ca 2 [00:58.668]Chromium Cr 2three six [01:29.428]Any physical difficulty with a record or a turntable is taken care of [01:44.288]Do you think that Led Zeppelin and Frank Sinatra would go together [01:48.788]No [01:50.598]Combinations of music [02:08.318]You're about to play a sole 45RPM recording [02:11.998]But the turntable is set at 33and 1/3 [02:14.688]And the record plays very slowly [02:23.478]Let's pick up the tempo a bit eh [02:37.858]Now let us imagine you are in the middle of your Disk Jockey program [02:48.858]This is the mark of a professional [02:59.778]Yeah if you could throw a couple yeah uhuh [03:02.468]Right when he's playin'the drum [03:03.538]Let him play a couple'beats alone [03:05.468]Eeeeuuh [03:16.18]Uh [03:46.48]Oh I'm sorry I had the turntable at the wrong speed [04:13.270]Listen [04:18.770]Scratching --The greatest thing on earth [04:31.288]What do you do [04:33.198]What do you do [04:46.348]Drop [04:56.708]Chemical change:a change that alters the composition of the