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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. Sight Touch Hear Smell Taste

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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. • Sight • Touch • Hear • Smell • Taste • The skill of describing scientific events

  3. Two types of observations: • Qualitative – describable, not measureable • red flowers • smells like fresh baked cookies • Tastes bitter Quantitative – measurable or countable • Will always contain a number • 3 meters long • 4 marbles • 50 kilograms • 35 degrees Celsius

  4. Inference • The process of drawing a conclusion from given evidence. • Using prior knowledge and what is observed to come to a conclusion Practice: • Observations: • I hear people screaming • I smell cotton candy, popcorn, and hamburgers • I see a lot of people • Inference = ?

  5. Look at these two sets of animal tracks. List 3 OBSERVATIONS Make an INFERENCE

  6. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

  7. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

  8. Activity Page www.middleschoolscience.com/footprints-isn.pdf In your science notebook, write your conclusion.

  9. Source of graphic:http://bob.nap.edu/html/evolution98/evol6-e.html

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