Observation & Inference 9/6/12
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Transcript of Observation & Inference 9/6/12
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Observation & Inference 9/6/12
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Warm Up
On your Observation vs. Inference Page of your IAN:Write down (at least!) 4 observations and 2 inferences about the picture.
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What is an Observation?
A factual statement based on information gathered from the five senses.
There are 2 types:-Qualitative-Quantitative
Ohh… This liquid is green and it is leaking from a brown can. I also smell it.
Observation Words: Hear See Taste Smell Fact Measured Statement
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Quantitative & Qualitative Observations
• 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
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What is an Inference?Using observations to make a guess or testable hypothesis about an object or an outcome
THIS CAN BE A SCIENTIFIC OPINION
Inference Words: Judgment Opinion Conclusion Explains Interpretation
Based on my observations, I think that is can is old and leaking a toxic substance.
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What do you think?Observations:
• I hear people screaming• I smell cotton candy, popcorn, and hamburgers• I see a lot of people
Inference = ?
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Look at these two sets of animal tracks.
List 3 OBSERVATIONS
Make an INFERENCE
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Now what do
you think?
Make 3 OBSERVATIONS
Make an INFERENCE
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Now what do you think?
Make 3 OBSERVATIONSMake an INFERENCE
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Activity Pagewww.middleschoolscience.com/footprints-isn.pdf
In your science notebook, write your conclusion.
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Bull’s Eye ComparisonDraw a 2 topic bull’s eye in IAN:
-Name one side of the bull’s eye “observation,” and the other side “inference.”
-Differences between the two topics belong on outside sections, similarities belong in the center.