Mystery footprints-observation inference-isn

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  • 1. Observation & Inference modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at: www.science-class.net/PowerPoints/ Observation _ Inference _8th.ppt
  • 2. Observations
    • Any information collected with the senses.
        • Quantitative – measureable or countable
            • 3 meters long
            • 4 marbles
            • 50 kilograms
            • 35 degrees Celsius
        • Qualitative – describable, not measureable
            • red flowers
            • smells like fresh baked cookies
            • Tastes bitter
    • The skill of describing scientific events
  • 3. Inference
    • Conclusions or deductions based on observations.
    • The process of drawing a conclusion from given evidence.
    • Practice :
    • Observations :
      • I hear people screaming
      • I smell cotton candy, popcorn, and hamburgers
      • I see a lot of people
    • Inference = ?
  • 4. Look at these two sets of animal tracks. List 3 OBSERVATIONS Make an INFERENCE
  • 5. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE
  • 6. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE
  • 7. Activity Page
    • www.middleschoolscience.com/footprints-isn.pdf
    • In your science notebook, write your conclusion.
  • 8. Source of graphic: http://bob.nap.edu/html/evolution98/evol6-e.html