IB Biology Individual Investigation

[GG1314]

Hi, I am a 11th grade IB student and I needed your help/advice for my Individual Investigation.The plant I chose is Elodea and my research question is "How does the change in light frequency affect the growth of an Elodea plant?"

Change light frequency by using filters (blue, green, yellow etc...)

 I need help on answering what's below ( Independent variables,units,etc.)

a. Independent variable: 

i. Units: 

ii. Treatment Groups:

b. Dependent Variable:

i. Units:

ii. How you will measure it: ( MOST IMPORTANT HOW DO I MEASURE LIGHT FREQUENCY IN THIS LAB)

c. What relationship are you trying to determine?

Another thing I am struggling with is how will I collect the data..... I am really confused...

I need all the advice I can get and as soon as possible thank you very much!!

Edited November 26, 2016 by GG1314
IMPORTANT