im 11 years old do you know a science fair project i can do for magnetism. or a website. im in six grade

Answer 1

If you have a dad or mechanical person to help you...you can probably get the motors and stuff cheap used.
http://theepicenter.com/tow02077.html

http://www.eskimo.com/~billb/electrom/statbotl.html

Answer 2

what is the concept of flux density?