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In this physics activity, learners experiment with the attractive and repulsive power of magnets. They move a grape using a Neodymium Magnet, and explore how the strong magnet repels the water in the grape using diamagnetic repulsion. This is truly a "Wow" moment for students, as the results are not what most people would expect.
- 5 to 10 minutes
- 30 to 45 minutes
- $5 - $10 per group of students
- Ages 4 - 11
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per group of students)
- Two Large Grapes
- Drinking Straw
- Film Canister w/ Lid
- Pushpin
- Small Knife or Razor Blade
- Neodymium Magnet
Subjects
-
Physical Sciences
-
Electricity and Magnetism
- Electromagnetic Fields
-
Electricity and Magnetism
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Includes alignment to state and/or national standards:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, COSI Columbus, 2009