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Observation Skills. Simple Demonstration!. What are your observations?. http://www.digplanet.com/wiki/Candle. Observation Vs Inference. http://destinationku.blogspot.com/2010/07/answers-for-chapter-exercises-mqf1033.html. http://sivers.org/touch-all-senses. Observation.

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Presentation Transcript
simple demonstration
Simple Demonstration!
  • What are your observations?

http://www.digplanet.com/wiki/Candle

observation vs inference

Observation Vs Inference

http://destinationku.blogspot.com/2010/07/answers-for-chapter-exercises-mqf1033.html

http://sivers.org/touch-all-senses

observation
Observation
  • When you OBSERVE, you become aware of something with your senses.
  • When you OBSERVE, you simply describe something as it appears to you.
  • When you OBSERVE, you are describing a fact.
slide5

Observation

  • Any information collected with the senses.
      • Quantitative – measureable or countable
          • 3 meters long
          • 4 marbles
          • 50 kilograms
          • 35 degrees Celsius
      • Qualitative – describable, not measureable
          • red flowers
          • smells like cookies
          • Tastes bitter
  • The skill of describing scientific events
inference
Inference
  • When you INFER, you make a mental judgment based on your observations.
  • When you INFER, you require though. You cannot directly observe an inference.
  • Example:
    • Wake up, see dark clouds, see puddles on ground…you infer that it rained during the night but you didn’t SEE the rain.
slide7

Inference

  • Conclusions or deductions based on observations.
  • The process of drawing a conclusion from given evidence.

Practice:

  • Observations:
    • I hear people screaming
    • I smell cotton candy, popcorn, and hamburgers
    • I see a lot of people
  • Inference = ?
slide8

Oct 11th- Oct 21st

http://www.ncagr.gov/markets/commodit/horticul/apples/images/StateFairLogo.jpg

http://images.raleighskyline.com/2006/the-2006-north-carolina-state-fair/1800/lots_of_rides_at_the_fair/

slide10

Look at these two sets of animal tracks.

List 3 OBSERVATIONS

Make an INFERENCE

slide11

Now what do you think?

Make 3 OBSERVATIONS

Make an INFERENCE

slide12

Now what do you think?

Make 3 OBSERVATIONS

Make an INFERENCE

let s look back at our original obser vations
Let’s look back at our original observations.

Are any of them actually inferences?

source of graphic http bob nap edu html evolution98 evol6 e html

Source of graphic:http://bob.nap.edu/html/evolution98/evol6-e.html

Presentation altered by Eric Baker from Liz LaRosawww.middleschoolscience.com 2009, from original posted at:www.science-class.net/PowerPoints/Observation_Inference_8th.ppt