Sci Meth Intro Audio

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Information about Sci Meth Intro Audio
Education

Published on October 9, 2009

Author: carl.giles

Source: slideshare.net

Description

My take on the scientific method. Used for 6th to 9th grade.

The Scientific Method http://www.virtualsciencefair.org/2004/mart4m0/public_html/process2.jpg

http://www.virtualsciencefair.org/2004/mart4m0/public_html/process2.jpg

1. Define the Problem Based on observations & form a question Collect existing info

Based on observations & form a question

Collect existing info

2. Form a Hypothesis a. A testable explanation to the problem b. Cannot be accepted until supported by a large number of tests c. May need to be revised or dismissed

a. A testable explanation to the problem

b. Cannot be accepted until supported by a large number of tests

c. May need to be revised or dismissed

3. Design a Controlled Experiment a. Set up to test hypothesis b. Must test only one condition c. All conditions are alike except for the variable

a. Set up to test hypothesis

b. Must test only one condition

c. All conditions are alike except for the variable

Controlled Exp cont’d 1. (Experimental) Variable : the one factor being tested 2. Two Groups: same conditions except for variable a) Control Group : not exposed to variable b) Experimental Group : exposed to variable

1. (Experimental) Variable : the one factor being tested

2. Two Groups: same conditions except for variable

a) Control Group : not exposed to variable

b) Experimental Group : exposed to variable

4. Observations 1. record qualitative and quantitative data

1. record qualitative and quantitative data

5. Conclusion 1. data has value when a valid conclusion can be drawn 2. Theory : a hypothesis supported by many different exp/long period of time

1. data has value when a valid conclusion can be drawn

2. Theory : a hypothesis supported by many different exp/long period of time

Observation  Problem Hypothesis Controlled Experiment Results Conclusion Publication/Theory Reject & Revise Hypothesis Other scientists exp & repeat Additional Hypothesis

Example Let’s say you are out fishing. The fish aren’t biting for you, but another guy has them jumping into his boat…

Let’s say you are out fishing. The fish aren’t biting for you, but another guy has them jumping into his boat…

Testing… So, you find out what bait he’s using, and you switch to it… <Good> Then you move your boat… <Bad> Why is this bad?

So, you find out what bait he’s using, and you switch to it… <Good>

Then you move your boat… <Bad>

Why is this bad?

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