observation vs. inference
DESCRIPTION
Observation vs. Inference. Preparing for Labs. Observation. When describing something, use only facts that you can see, feel, smell, taste and hear This is not an opinion!!!!!. Qualitative vs. Quantitative Observations. Quantitative: Descriptions of how much - PowerPoint PPT PresentationTRANSCRIPT
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Observation vs. InferencePreparing for Labs
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Observation When describing something, use only
facts that you can see, feel, smell, taste and hear
This is not an opinion!!!!!
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Qualitative vs. Quantitative Observations
Quantitative: Descriptions of how much› Observations are measurable and can be
made using instruments such as beakers, scales, rulers, ect.
› Use numbers› Quantity
Qualitative: Use adjectives to describe something› Quality
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Examples: Qualitative or Quantitative
1. It is light green in color. 2. It taste sour. 3. One leaf is 9 cm long. 4. It makes a loud pop sound. 5. The mass of the computer is 1 1/2 kg. 6. It smells sweet. 7. The temperature of the room increases by
8 degrees C. 8. The flower clusters in 3 blooms. 9. Feels very rough. 10. The veins are 3 mm wide.
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Inference Using your observations to explain
something A scientific opinion Ex.
› Observation: the grass on the school’s front lawn is wet
› Inference: it rained, a sprinkler is on, it is from the morning dew, a dog urinated on the grass
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Examples
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Examples