Question

Tasha is testing the effect of blue-colored light on the growth of tomato plants. Which is the independent variable in this experiment?

Question 19 options:

light color

light intensity

amount of light

temperature of light

Answer 1

Th correct option is A. light colour

Step-by-step explanation:

An independent variable is described as a variable which doesn't get affected by another variable. In a scientific experiment, an independent variable is a controlled variable whose effects are checked on a dependent variable. Hence, Light colour is independent in the above experiment being performed by Tasha.

A dependent variable changes with a change in any other variable. Hence, light intensity, amount of light and temperature of light are the dependent variables.