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Observations: Qualitative vs Quantitative

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Learn the differences between qualitative and quantitative observations through examples and comparisons, illustrated with mealworm study. Discover how to classify data and utilize tools for accurate analysis.

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Observations: Qualitative vs Quantitative

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  1. Observations: Qualitative vs Quantitative 1a. Deals with description 1b. Cannot be measured 1c. Qualitative Quality Example: Biology students -Friendly -Responsible -Engaged -Intelligent 1. Qualitative

  2. Observations: Qualitative vs Quantitative 2a. Deals with numbers 2b. Can be measured 2c. Quantitative Quantity Example: Biology students -63 Students -10 who drive -35 girls, 28 boys - 58 w/siblings 2. Quantitative

  3. What is a meal worm? The larvae of grain beetles.

  4. Why do scientists like mealworms? • Clean and odorless • Inexpensive • Easy to care for • Fast life cycle What are some other examples of model organisms?

  5. Qualitative & Quantitative Mealworm Observations • Answer Questions 1-9. • Classify each observation as Qualitative or Quantitative. Review:

  6. Materials • 1 mealworm • 1 plastic cup • Ruler (must be shared) • Magnifying glass *When finished ALL MATERIALS MUST BE RETURNED

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