Correct Answer: Correct answer is: (A) Quantitative observations use numbers, qualitative uses the senses.
Exam Relevance: AP Biology, AP Chemistry, IB Science
Difficulty: Easy
Concept notes: Quantitative observations involve measurements and numbers, while qualitative observations involve descriptions using the senses.
Common Mistakes: Students may confuse the roles of numbers and senses in quantitative and qualitative observations.
Explanations: Quantitative observations are based on numerical data and measurements, such as counting or measuring physical properties. Qualitative observations, on the other hand, involve descriptions based on sensory experiences, such as color, texture, or smell.
Option Analysis: - Option A: Correct. Quantitative observations use numbers, qualitative observations use the senses.
- Option B: Incorrect. Quantitative observations use numbers, not the senses.
- Option C: Incorrect. Qualitative observations do not use numbers.
- Option D: Incorrect. Quantitative observations do not use colors, qualitative observations use the senses.
Mnemonic: Numbers for Quant, Senses for Qual