Source:
The Need Project
Topics Elementary School,
Physics
Grade Levels: K-3
Question: Does temperature affect the force of a magnet?
Possible Hypotheses: Temperature does/does not affect the force of a magnet.
Materials: Magnet Paper clips Hair drier
Procedure:
- Record the number of paper clips the magnet can lift at room temperature.
- Place the magnet in a freezer for 15 minutes. Record the number of paper clips the magnet can lift.
- Use a hair drier to warm the magnet. Record the number of paper clips the magnet can lift.
Analysis and Conclusion: Does changing the temperature of a magnet affect its force?
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Reprinted with the permission of the NEED Project. © 2008 National Energy Education Development Project - All Rights Reserved.
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