Question

part c - scientific investigations & variables (sc.6.n.1.1)

1. a student wants to test how the color of a surface affects how warm it becomes under a lamp. what should be the independent variable?

a. the temperature after heating
b. the color of the surface
c. the distance of the lamp
d. the type of thermometer

Explanation:

The student is testing how the color of a surface affects warmth. The independent variable is what is changed (the color of the surface). The temperature after heating (A) is the dependent variable (what is measured). The distance of the lamp (C) and type of thermometer (D) should be controlled variables.

Answer:

B. The color of the surface