Any good 7th or 8th grade science project that involves psychology?

Question

Best answer gets ten pts.

Answer 1

i don't know if this would work, but i always thought it would be fun...

you could have a few people (including yourself) stay up for 24 hours straight and see how it affects their personality (in comparison to their usual, well-rested personality) and their coordination

Answer 2

pavlov's salvating dog theory...just explain it using students and how if they hear the bell they all pack up and leave the room even if they don't look at the clock

Answer 3

Plant two flowers.  Talk to one of them everyday for 30 minutes.  Don't talk to the other one.  Several psychologists believe that if you talk to flowers they grow better.  Try  to prove it by doing so.  Its easy and you can look up a bunch of info on the internet easily plus its an easy project!  Even if it doesn't work you tried!