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Observation & Inference

Observation & Inference. modified by Jen Owens from original posted at: www.science-class.net/PowerPoints/ Observation _ Inference _8th.ppt. Observations. Definition : Any information collected with the senses. Two types of Observations Quantitative Qualitative. Observations (cont.).

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Observation & Inference

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  1. Observation & Inference modified by Jen Owens from original posted at:www.science-class.net/PowerPoints/Observation_Inference_8th.ppt

  2. Observations Definition: Any information collected with the senses. Two types of Observations • Quantitative • Qualitative

  3. Observations (cont.) • Quantitative – • measureable or countable Examples • 3 meters long • 4 marbles • 50 kilograms • 35 degrees Celsius • Qualitative – • describable, not measureable Examples • red flowers • smells like fresh baked cookies • Tastes bitter • Heard a loud “pop” Always Includes Numbers No Numbers!

  4. Inference • Definition: Conclusions or claims based on observations. Inferences are educated guesses. It is okay if your inference is different from your classmates as long as it is logical and realistic. Practice: • Observations: • I hear people screaming • I smell cotton candy, popcorn, and hamburgers • I see a lot of people • Inference = ?

  5. Turn your paper over to Mystery Footprints Look at these two sets of animal tracks pictured. 3. In the first section on your paper… Make 3-4 OBSERVATIONS of what you see. Remember, observations are things you literally see in the picture. Now make an INFERENCE of what is going to happen.

  6. Now what do you think? In the second section on your paper… Make 3-4 new OBSERVATIONS Now make a new or more specific INFERENCE

  7. Now what do you think? In the Third and final section on your paper… Write your 4 strongest OBSERVATIONS What is your final INFERENCE (conclusion)

  8. Activity Page www.middleschoolscience.com/footprints-isn.pdf Source of graphic:http://bob.nap.edu/html/evolution98/evol6-e.html

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