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Observation & Inference

This educational resource by Liz LaRosa teaches middle school students the essential skills of observation and inference in scientific contexts. Explore the difference between quantitative and qualitative observations, with examples like measuring distances and describing colors. Learn how to formulate hypotheses based on observations and practice your skills through engaging activities. The resource provides insights on collecting information with your senses and making educated guesses from evidence. Perfect for enhancing science understanding in the classroom!

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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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