PRESENTING SCIENTIFIC DATA

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PRESENTING SCIENTIFIC DATA
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• DATA exists as two types
• QUANTITATIVE expressed as numbers, not words
• Ex The table is 1 meter long
• QUALITATIVE expressed as words, not numbers
• Ex The table is made of wood

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• ORGANIZING DATA can be organized two ways
• TABLE
• GRAPH

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Tables

• Must Include
• Title
• Labels for columns
• Straight lines

Number or Marshmallows for Different Container
Sizes
Container Size Number of Marshmallows
Small 75
Medium 103
Large 127
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Tables

• What is wrong with this table?

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Graphs

• There are four types of Graphs
• 1. Line Graph
• 2. Bar Graph

3. Pictograph
4. Circle (Pie) Graph
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• VARIABLES
• (bar and line graphs)
• INDEPENDENT What you change
• x-axis
• DEPENDENT What you measure
• y-axis

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Line Graph

• Best for showing changes in related variable
• MUST INCLUDE
• Appropriate numbers on each axis
• Title
• Label for each axis
• Unit for each axis

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Line Graph

• What is wrong with this graph?

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Bar Graph

• Best for comparing measurements or amounts
• MUST INCLUDE
• Title
• Label for each axis
• Appropriate numbers
  or words on each axis
• Units on each axis
  (if appropriate)

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Bar Graph

• What is wrong with this graph?

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Circle (Pie) Graph

• Best for showing parts of a whole
• MUST INCLUDE
• Title
• Labels for each pie piece
• Percent for each pie piece

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Circle (Pie) Graph

• What is wrong with this circle graph?

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Pictograph

•  conveys its meaning through its pictorial
  resemblance to a physical object