Question

you conduct an experiment to see how color of light affects photosynthesis in spinach. identify the following variables.
color of light % floating disks
white 100%
red 70%
blue 80%
green 10%
independent variable
dependent variable

Explanation:

The independent variable is what is being changed or manipulated in an experiment. Here, the color of light is being changed to see its effect. The dependent variable is what is being measured as a result of the change in the independent variable. The percentage of floating disks indicates the rate of photosynthesis which is affected by the color of light.

Answer:

Independent variable: color of light
Dependent variable: % Floating disks