Across
- 5. the part of the atom that is responsible for magnetism
- 6. magnetism was discovered in __________
- 7. an area of magnetic force that surrounds magnetic objects
- 8. discovered that moving electrical charges create a magnetic field
- 11. a strong, short-lasting magnet that can be made by inserting iron into a wire coil that is conducting an electric current
- 14. a type of magnet that retains its magnetic properties without external influence
Down
- 1. the creation of electrical current when a magnet is moved inside a loop of wire; generators are devices that work using electromagnetic induction
- 2. can create electricity
- 3. holds a magnetic needle that is free to spin until it lines up in the north-south position; detects the Earth's magnetic field
- 4. invented the motor and the generator
- 9. naturally occurring material that has magnetic properties, was first used in compasses
- 10. first civilization to use the compass which helped them with trade and travel
- 12. naturally occurring material that has magnetic properties
- 13. a combination of mechanical and electrical systems that converts kinetic energy into electrical energy; devices that work using electromagnetic induction
- 15. converts electrical energy into mechanical energy
