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Welcome 9/15/14 Please take 2 handouts SJ 9/15/14 Observations vs. Inferences –FQ: How are observations different than inferences? Ted Ed ….how is it going?

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Presentation on theme: "Welcome 9/15/14 Please take 2 handouts SJ 9/15/14 Observations vs. Inferences –FQ: How are observations different than inferences? Ted Ed ….how is it going?"— Presentation transcript:

1 Welcome 9/15/14 Please take 2 handouts SJ 9/15/14 Observations vs. Inferences –FQ: How are observations different than inferences? Ted Ed ….how is it going? Announcements –Missing H/W –Grade Posting

2 modified by Liz LaRosa www.middleschoolscience.com 2009, from original posted at: www.science-class.net/PowerPoints/Observation_Inference_8th.pptwww.middleschoolscience.com www.science-class.net/PowerPoints/Observation_Inference_8th.ppt Observation & Inference

3 Observations Any information collected with the senses. The skill of describing scientific events 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 »Heard a loud “pop”

4 Inference Conclusions or deductions based on observations. The process of drawing a conclusion from given evidence. May rely on background information “Reading between the lines” 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 on your sheet 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 And now….something different Transition to team bonding activity Domino Challenge –Arrange dominos so that all fall in sequence Out of sequence/don’t fall - Disqualified –The team with the most to fall win –You have 2 minutes http://www.online-stopwatch.com/countdown- clock/full-screen/

9 Engineering Design Process Refer to second handout


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