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The Scientific Process

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The Scientific Process A Logical, Step-by-Step Process to Solving Problems – PowerPoint PPT presentation

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Title: The Scientific Process


1
The Scientific Process
  • A Logical, Step-by-Step Process to Solving
    Problems

2
Choosing a Problem
  • Find something that interests you (may be given)
  • Limit the topic (not too broad or narrow)
  • Write a question you want answered that can be
    tested with your available resources

3
Write the Problem
  • A minimum of 3 sentences must be written
    (paragraph format)
  • IN THIS ORDER
  • State the problem or purpose of your experiment
  • Explain your interests in this problem
  • End with a testable question for which you want
    to find a solution (and a ?)
  • Should be written in 3rd person

4
Research the Problem (Literature Review)
  • Learn all you can about your topic
  • Keep research limited to those things that help
    you understand the question
  • Use multiple credible sources, not including
    encyclopedias (Wiki)
  • Take notes summarize what you have learned in
    paragraph form and include a work
    cited/bibliography

5
Write your HYPOTHESIS
  • A testable statement that answers the problem
  • Must include an explanation/reasoning for your
    prediction and must use data from your research
    to support the explanation

6
Write your EXPERIMENTAL DESIGN
  • This Includes MATERIALS
  • List of all items to use for experiment
  • Bullet items on list, DO NOT number
  • No CAPITAL letters unless its a name brand
  • This includes PROCEDURES
  • Numbered statements that are complete sentences
    telling how to do the experiment
  • No how-to words
  • Very detailed and specific

7
Data Collection
  • Follow your procedures to conduct your experiment
  • Date all recorded observations, both qualitative
    and quantitative, in a data log (bookbound item
    so paper is not lost)
  • Use sketches/diagrams of observations

8
Graphs
  • Use your collected data to create 1 or more
    graphs
  • Line graphs for changes over time
  • Bar graphs for comparing
  • Circle graphs for part of a whole
  • Be sure to include explanatory title, axis
    scales, axis labels w/ appropriate units in
    parentheses, and key

9
Data Analysis (Results)
  • Summarize the data collected and interpret the
    data
  • Minimum of 3 paragraphs
  • 1gt Summarized qualitative data
  • 2gt Summarized quantitative data and averages
  • 3gt Comparisons made between variables tested
    differences and percent changes
  • Facts only
  • Include references to charts, tables, and graphs

10
Conclusions
  • The So What
  • Has 3 parts
  • Claim
  • Evidence
  • Reasoning

11
Conclusions The Claim
  • A statement about the solution to your question
    and hypothesis
  • Must be accurate and complete
  • Should be based on collected data, but the data
    should NOT be mentioned in the statement.

12
Conclusions The Evidence
  • Identify the specific scientific evidence that
    supports the claim.
  • Must be sufficient (lots of supporting data)
  • Includes numerical data.
  • All data has appropriate labels/units.

13
Conclusions Reasoning
  • Justifies claim and evidenceshowing why data
    counts as evidence through the use of appropriate
    and sufficient scientific principles.
  • Provides scientific link between evidence and
    claim.
  • Includes appropriate scientific concepts.
  • Does not repeat data from evidence.

14
Works Cited/Bibliography(Only when research is
used)
  • Quality sources of information used during
    research
  • Special format used called APA all entries are
    alphabetized
  • Place on a separate page, by itself

http//citationmachine.net
Bibliography Blume, H (2000 July 13). Geek
Studies. Retrieved June 16, 2008, from Atlantic
Online Web site http//www.theatlantic.com/
unbound/crosscurrents/ cc2000-07-13.htm Cowley,
G. Id toddle a mile for a camel. Newsweek 23
Dec. 1991 70-71. Nielson, J (1993). Hypertext
Hypermedia. Boston Academic Press Professional.
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