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Science
Test on vocabulary
Term | Definition |
---|---|
electromagnet | a coil of wire wrapped around an core |
what does a electromagnet do? | it creates a powerful magnet by changing electrical energy into magnetic energy |
an electromagnet is different because | you can change it's strength |
electromagnet are used | 1 to lift heavy objects. 2 in machines used by dr.'s and scientist.3tv's,dvd players' computer, and vcrs |