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Mastering Observation and Inference Skills in Science

Learn how to utilize your senses to gather information and draw conclusions in scientific events through qualitative and quantitative observations. Enhance your inference skills by analyzing evidence and using prior knowledge.

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Mastering Observation and Inference Skills in Science

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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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