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

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

what is the concept of flux density?

Of course! I can help you with finding a science fair project related to magnetism. There are many fascinating experiments you can do in this field. Here's an idea that you might find interesting:

Project Title: "How Does the Temperature Affect the Strength of a Magnet?"

Materials:
1. Several magnets of the same size and strength
2. Thermometer
3. Heat source (e.g., stove, hot plate)
4. Tongs or oven mitts
5. Paper clips
6. Tape or string
7. A box or a stable surface to mount the magnets

Procedure:
1. Start by measuring the strength of your magnets using paper clips. Count how many paper clips each magnet can hold without slipping.
2. Set up a safe heat source (e.g., stove) and place a thermometer nearby to measure the temperature.
3. Heat one of the magnets using the heat source. Avoid direct contact with the heat source by using tongs or oven mitts.
4. Continuously monitor and record the temperature at different intervals (e.g., every 10 degrees Celsius) by checking the thermometer.
5. As the temperature increases, retest the magnet's strength by counting the number of paper clips it can hold.
6. Repeat steps 3-4 for multiple temperatures, ensuring the magnet cools down back to room temperature before each test.
7. Repeat the entire experiment with other magnets to gather more data.

Analysis:
Compare the strength of the magnets at different temperatures. Create a graph that shows the relationship between temperature and magnet strength. You can determine if there is a correlation between temperature and magnetism.

Remember, it's essential to have adult supervision when working with heat sources or any potentially dangerous materials. Always prioritize safety!

As for websites, here are a few that could provide useful information and project ideas:

1. ScienceBuddies (www.sciencebuddies.org)
2. Education.com (www.education.com/science-fairs)
3. All Science Fair Projects (www.all-science-fair-projects.com)

These sites offer project ideas, step-by-step procedures, and helpful tips. You can search specifically for magnetism projects and filter by grade level.

Good luck with your science fair project, and I hope it turns out to be a fantastic learning experience for you!