Question

nature of science - practice test/study guide

1. which of the following is an example of a scientific observation?

a. “the rock is smooth and gray.”
b. “what is the best brand of soap?”
c. “most people drive black cars.”
d. “the sun’s light helps plants grow.”

Explanation:

A scientific observation is a factual statement based on direct perception. Option A describes the physical properties of a rock which is a direct - observable fact. Option B is a question, not an observation. Option C is a generalization that may not be based on direct observation. Option D is a conclusion rather than a simple observation.

Answer:

A. "The rock is smooth and gray."