Understanding Observations in Science

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Observations in science are essential for gathering data and drawing conclusions. This includes making qualitative and quantitative observations, using senses and tools to increase accuracy, and distinguishing facts from opinions. Inferences are conclusions drawn based on observations and data. Practice distinguishing between observation and inference to enhance scientific reasoning skills.


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Presentation Transcript


  1. Observations How we look at things in science

  2. What is observation? Observations are made in science. They are made by using: Senses Tools increase accuracy & precision Facts not opinions.

  3. Two types of Observation Qualitative Quantitative

  4. Qualitative Observations Hard to measure Describes the qualities of something Color Taste Sound

  5. Quantitative Observations Can be expressed in numbers Can be counted or measured Amounts Temperature Mass Length Allow us to communicate specifics Tools are used to communicate data Observations are collected in data tables

  6. Inference Drawing a conclusion based on data and observation 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 = ?

  7. Observation Inference That plant is extremely wilted. That plant is extremely wilted due to a lack of water. The car stopped running The car stooped running because it was out of gas. The Diamondbacks are leading their division because they are playing well right now. The Diamondbacks are leading their division

  8. Observation or Inference 1. There is a representation of a face on one side of the coin. 2. The Latin word "Dei" means "God. 3. The coin was made by deeply religious people. 4. The date 1722 is printed on one side of the coin. 5. The coin was made in 1722. 6. The face on the coin is a representation of the nation's president.

  9. Lets Practice. Look at the picture & decide if the statement is an OBSERVATION OR INFERENCE

  10. Look at these two sets of animal tracks. List 3 OBSERVATIONS Make an INFERENCE

  11. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

  12. Now what do you think? Make 3 OBSERVATIONS Make an INFERENCE

  13. When to use observation & inference During experiments, record observations NOT inferences Inferences may be used when writing the conclusion in your lab report.

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