Observations: Qualitative vs Quantitative

What type of observation is made when you note the color of a jellyfish?

• Quantitative

• Qualitative

• Numerical

• Indirect

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DOK Level 1: Recall

Which of the following is an example of a quantitative observation?

• The jellyfish is blue.

• The jellyfish has 8 tentacles.

• The jellyfish moves gracefully.

• The jellyfish feels slimy.

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DOK Level 1: Recall

Identify the type of observation: "The jellyfish is 15 cm in diameter."

• Qualitative

• Quantitative

• Descriptive

• Indirect

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DOK Level 1: Recall

Which tool would you use to make a quantitative observation of the jellyfish's weight?

• A ruler

• A thermometer

• A scale

• A magnifying glass

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DOK Level 1: Recall

Explain why counting the number of tentacles on a jellyfish is considered a quantitative observation.

• Because it involves using a measuring tool.

• Because it provides numerical information.

• Because it describes the color of the tentacles.

• Because it is an indirect observation.

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DOK Level 2: Skill/Concept

Describe a scenario where you would make both qualitative and quantitative observations about a jellyfish.

• Observing the jellyfish's color and counting its tentacles.

• Measuring the jellyfish's weight and noting its texture.

• Smelling the jellyfish and recording its length.

• Hearing the jellyfish and noting its shape.

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DOK Level 2: Skill/Concept

If you were to measure the temperature of the water in which a jellyfish is swimming, what type of observation would you be making?

• Qualitative

• Quantitative

• Descriptive

• Indirect

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DOK Level 2: Skill/Concept

Why is it important to use both qualitative and quantitative observations in scientific investigations?

• To ensure all senses are used.

• To provide a complete understanding of the object or event.

• To make the investigation more interesting.

• To avoid using measuring tools.

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DOK Level 2: Skill/Concept