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2Magnetic properties of a substance Formative assessment.docx
USES OF MAGNETIC MATERIALS_ ( NEODYMIUM MAGNETS) -20 MINS
1. What
is a magnet?
2.
What are magnets attracted to?
3. How are magnets made?
4. What
is the difference between permanent magnets and electromagnets?
5. State any three areas in which a magnet is used as a sensor.
a)
b)
c)
6. How are seismographs important in modern day technology?
………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………
6. What is a Seismograph?
7. Outline three characteristics of neodymium magnets.
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