To test the hypothesis that plants grow faster in green light, a student set up 3 of the same type of plants. She placed the first plant under a green light, the second plant under a regular light bulb, and the third plant under a red light.

All of the following are the constants in the above experiment except __________.

Question

To test the hypothesis that plants grow faster in green light, a student set up 3 of the same type of plants. She placed the first plant under a green light, the second plant under a regular light bulb, and the third plant under a red light.

All of the following are the constants in the above experiment except __________.

anonymous · Answer

a. amount of water
b. plant type
c. light color
d. pot size

neonumbrella5115 · Answer

What do you think the answer is?  HINT: What did she change in her experiment?  What didn't stay constant in the three trials?

thatonegirl_ · Answer

Constants stay constant=same. So what she's testing for is which light works the best by changing the light.