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Learn the definitions of observation and inference, and know when to apply each. Practice exercises included. Identify quantitative and qualitative observations.
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Observation & Inference Notes When is it an observation and when is it inference?
Definitions • An assumption or guess made based on observations. • Example – Trees have green leaves. Observation Inference • Facts that are seenor noted with the senses. • Example – The tree is green and brown.
Practice 1:Observation or inference? • This is ocean water.
Practice: Observation or inference? 2. • The glass is 75% full of clear liquid. 3. • These people are friends.
Write 5 observations and 5 inferences about the classroom Inferences Observations • Use bullet points. • Write in your notebook in a T-Chart like the one here. • No people are to be used for examples.
Two types of observations Quantitative • Observations that use numbers. • Example – The mass of the notebook is 365 grams. Qualitative • Observations that describe • Example – The notebook is large in size, blue, and smooth textured.
Observation or Inference?(explain why.) • All Butterflies are colorful.