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5th grade Wiz
Magnets and Motors
Question | Answer |
---|---|
What is an electromagnet? | An iron core of magnetic material surrounded by a coil of wire through which an electric current is passed to magnetize the core. |
What does attract mean? | To draw or pull toward an object. |
What is a magnet? | Any piece of iron, steel, or magnetite (lodestone) that has the property of attracting iron or steel. |
What is a compass? | An instrument that uses the Earth’s magnetic field to establish direction. |
What does it mean to repel? | To drive back or force away from an object. |
What does magnetism mean? | The property, quality, or state of being magnetic. |
What is a pole? | A region of concentrated magnetic energy. |
What is electromagnetism? | Magnetism developed by a current flow of electricity. |