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Chemistry: 1.5 Common Components of Scientific Studies 50 Views


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Description:

Today we're learning all about common components of scientific studies. And no, those do not include cackling maniacally while holding foaming beakers. That only happens rarely at best.

Language:
English Language

Transcript

00:04

Dr. Frankenstein might have been a mad scientist but it wasn't [Dr Frankenstein in a lab]

00:07

crazy he knew that as with any scientific experiment if he was going to

00:12

go about reanimating dead tissue he was going to need to follow proper

00:17

procedures so what does that mean well what could be proper about hauling a [Man and Doctor carrying green man on a table]

00:21

dead body out of the ring at 3:00 a.m. stuffing its skull full of brain hmm

00:24

well for one thing the doctor you need to have an experimental question and a

00:29

testable hypothesis well his experimental question was something to

00:33

the effect of is it possible to put a still living brain into the body of a [Green dead man laying on bed]

00:38

dead guy in somehow make it come to life his hypothesis considering how much work

00:43

he put into it was probably well heck yeah it is once the question and [Surgeons in theater]

00:48

hypothesis were established dr. Frankenstein could move on to setting up

00:52

his control and variable well his control which is basically something

00:56

that never changes during the course of an experiment was the dead guy on the

01:00

neighboring operating table who still had his old dead brain intact no life or [Two dead guys on operating table]

01:04

movement out of that fella not even if you poke him with a sharp stick the

01:08

variable was the living brain that doctor plugged into unconscious dude

01:12

number two another thing the doctor means he stabbed on is the difference [Doctor scribbling on chalkboard]

01:16

between independent variables and dependent variables well an independent

01:20

variable is something that you as a scientist mad or otherwise are

01:23

personally manually changing so the brain a dependent variable on the other

01:28

hand is one that changes depending on the independent variable so assuming the

01:33

guy comes to life some dependent variables might be the quality of his [Dead green man comes to life]

01:37

brain function his ability or inability to speak intelligently the intensity of

01:42

was craving for Doritos well once dr. Frankenstein has performed [Dr Frankenstein performing experiment]

01:46

his experiment and notated all observable data he can decide whether

01:50

his hypothesis has been proven or disproven since he's currently being

01:54

choked out by that newly awakened B he must've had probably safe to say the [Green man chases Dr Frankenstein]

01:58

Mythbusters themselves wouldn't be able to bust on this one and graphs they're

02:02

doc.. [Green man choking Doctor]

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