Inference Inference: A judgment using prior knowledge that explains an observation. Could be called an opinion; not always true! Examples: I saw Jake.

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Inference Inference: A judgment using prior knowledge that explains an observation. Could be called an opinion; not always true! Examples: I saw Jake yawn; therefore, he is tired It is sunny, so it must be hot outside. Object 3 rolled, so it must be a bouncy ball.

Observation Observation: describing something using your five senses. Another word for a fact. You can not dispute an observation; it is true. Examples: The sky is blue. It is sunny out. The item in container 3 weighed 5 grams.

Observation Types Qualitative Quantitative Observations that use your senses. Qualitative = Quality (describes) The tree is red The grass is green Observations that use numbers. Quantitative = Quantity (measures) The tree has 15 apples There are 34 desks in this room

Qualitative or Quantitative? Consider the following statement and determine if it is a qualitative observation or a quantitative observation. There are 12 dogs in that house.

Qualitative or Quantitative? Consider the following statement and determine if it is a qualitative observation or a quantitative observation. The dog is a golden retriever.

Qualitative or Quantitative? Consider the following statement and determine if it is a qualitative observation or a quantitative observation. Megan has 3 big teeth.

Qualitative or Quantitative? Consider the following statement and determine if it is a qualitative observation or a quantitative observation. An elephant has two tusks.

Qualitative or Quantitative? Consider the following statement and determine if it is a qualitative observation or a quantitative observation. An elephant’s tusks are white.

Qualitative Observation Write one qualitative observation.

Quantitative Observation Write one quantitative observation.