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Mystery Footprints Observation & Inference

Mystery Footprints Observation & Inference. M odified by Liz LaRosa www.middleschoolscience.com 2009-2015, from original posted at: http://www.science-class.net/NOS/observations/observations_inference.htm. What does the word “ observation ” mean in science?. Observations.

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Mystery Footprints Observation & Inference

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  1. Mystery Footprints Observation & Inference Modified by Liz LaRosa www.middleschoolscience.com 2009-2015, from original posted at: http://www.science-class.net/NOS/observations/observations_inference.htm

  2. What does the word “observation” mean in science?

  3. Observations • Any information collected with the senses. • The skill of describing scientific events • Quantitative – measurable or countable • 3 meters long • 4 marbles • 50 kilograms • 35 degrees Celsius • Qualitative – described, not measured • red flowers • smells like fresh baked cookies • tastes bitter

  4. What does the word “inference” mean in science?

  5. Inference • Conclusions or deductions based on observations • The process of drawing a conclusion from given evidence Practice: You will close your eyes and quietly listen to 3 observations After the observations have been shared, write down your inference into your notes Do not share your inference until asked to do so

  6. Inference Practice: Close your eyes and listen to the following observations: • Open your eyes • Inference:Write down your inference, but do not share it with anyone yet • I hear people screaming • I smell cotton candy, popcorn, and hamburgers • I see a lot of people

  7. What was your inference & why? Amusement Park Share and Discuss Day at the Beach Sporting Event Something else?

  8. Mystery Footprints You will be asked to view a series of 3 images. Record 3 observations and 1 inference for each image. Do not share your observations or inferences until asked to do so.

  9. Image 1 Record 3 OBSERVATIONS Make an INFERENCE Share and Discuss

  10. Image 2 Record 3 OBSERVATIONS Make an INFERENCE Share and Discuss

  11. Image 3 Share and Discuss Record 3 OBSERVATIONS Make an INFERENCE

  12. Discussion Questions • What event happened to cause these tracks? What is your hypothesis? • How do your observations support your hypothesis? • As a class, were there similarities/differences in our observations? In our inferences? • Why was it important not to share our observations and inferences right away? Can your answers influence others? • Can we know, with 100% certainty, how these footprints were formed? Why/Why not?

  13. Source of footprints graphic:http://www.nap.edu/openbook.php?record_id=5787&page=89 as of 8/4/15 Chapter 6: Activities for Teaching About Evolution and the Nature of Science."Teaching About Evolution and the Nature of Science. Washington, DC: The National Academies Press, 1998. This book can be downloaded for free at: http://www.nap.edu/catalog/5787/teaching-about-evolution-and-the-nature-of-science

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