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

modified by Liz LaRosa , from original posted at: Observation & Inference

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”

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 = ?

Look at these two sets of animal tracks. List 3 OBSERVATIONS on your sheet Make an INFERENCE

Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

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 clock/full-screen/

Engineering Design Process Refer to second handout