Tag Archives: magnet repulsion

Earth's Magnetic Poles

Magnet Experiments for Kids at Home Or School

Reports that other planets may support life always refer to the presence of liquid water.  What is almost never mentioned is whether these planets have a strong magnetic field protecting them. This is one of the key reasons why Earth has an atmosphere and Mars doesn’t. This feature is important and simple bar magnets can demonstrate the nature of the Earth’s magnetic field.

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