Answer:
1. Magnets has a property that attracts objects called _magnetic field
2. In the field of communication, electromagnets___transmet_____.
3. The ___strenght_____ of electromagnets can be increased or decreased.
4. In the simple electromagnet setting, the ___magnetism____ severs as the core.
5. The ___drycell_____ of electromagnets exist only when electricity is flowing.
6. The source of electric current in the simple electromagnet set-up is the ____oppositepoles__.
7. Magnets follow the fundamental law that ____magnets__ attract similar poles repel.
8. An ___ironnail___ is a magnet whose magnetic properties are produced by electricity.
9. Metallic objects such as steel, nickel, cobalt, and iron are attracted to __magnet____.
10. One way of making electromagnet stonger is by ____increasing__ the number of coils around an iron nail or core.
*opposite poles
*magnetic field
*magnetism
*iron nail
*strength
*increasing
*electromagnet
*magnets
*transmits
*dry cell