Ideas for a scientific experiment at home?

Question

I'm in 7th grade & for one of our end of the year projects we need to write a short paper on an experiment we conducted at home with a variable and a control. Any ideas for a pretty simple but beneficial experiment?

Answer 1

Test if the color or wavelength of light will affect the chlorophyll content of a leaf.

http://sciencebuddies.com/mentoring/proj...

Plants help keep a house cool:

http://www.energyquest.ca.gov/projects/c...

Answer 2

well theres a long time untill the end of the year so maby you could do"how long does it take for sugar and salt to chrystalize(hint :sugar takes more)