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Pushing the Envelope

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					Pushing the Envelope
 What is an Observation?
Gathering information using your five senses.
1. Touch
2. Taste
3. Smell
4. Hearing
5. Sight
   What is an Inference?
• A logical conclusion made from a chain
  of reasoning or answers derived
  through reasoning from observable
  evidence.
• Example: No human beings ever saw dinosaurs
  walking on the Earth. But scientist use fossil
  evidence to reconstruct the appearance and
  behavior of dinosaurs. (They have been extinct
  for more than 60 million years.
What kind of work does
   a detective do?
What kind of detective work
 do you think a geologist
        might do?
Trevor saw a puddle of water on the
sidewalk on his way to school today.
He thought that the Lee family must
have watered their lawn earlier this
morning.
 1. What did he observe?
 2. What did he infer from his
    observations?
 3. Why do you think Trevor made that
    inference?
Making Envelope Inferences
1.   The construction of the envelope
2.   Where was its point of origin?
3.   Who sent it?
4.   How did it travel from one place to
     another?
5.   What was its destination?
6.   How many people handled the envelope?
7.   Who received it?
8.   Do you know anything about the person
     who sent it or received it?

				
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