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Observation & Inference

Observation & Inference. modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at: www.science-class.net/PowerPoints/ Observation _ Inference _8th.ppt. Observations. Any information collected with the senses. Quantitative – measureable or countable 3 meters long

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Observation & Inference

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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 / Hypothesis • Making an educated guess based on a question you ask from an observation. • Making an educated guess based on evidence. Practice: • Observations: • I hear people screaming • I smell cotton candy, popcorn, and hamburgers • I see a lot of people • Questions = ? • Inference / Hypotheses = ?

  4. Look at these two sets of animal tracks. List 3 OBSERVATIONS List 3 questions Pick one question and make an inference / hypothesis

  5. Now what do you think? Do the same thing you did for the last picture 

  6. Now what do you think? Do the same thing you did for the last picture 

  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

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