Across
- 4. A special class of materials that conduct electric charge is better than electrical insulators but not as well as electrical conductors.
- 8. A material through which charges cannot move easily.
- 9. Something is in ________ when gravity is pulling down and no other forces are acting on it.
- 10. The buildup of electric charge on an object.
- 11. Any material that attracts iron or objects made of iron.
- 12. energy The energy of motion.
- 13. A force of attraction between objects due to their mass.
- 14. Simply a push or a pull.
- 15. The tendency of all objects to resist a change in motion.
Down
- 1. Wrapping a solenoid around an iron core makes an _________.
- 2. The buildup of electric charge on an object.
- 3. A material through which charges can move freely.
- 5. A property that leads to electromagnetic interactions between the particles that make up matter.
- 6. An object is in ______ when it travels around objects in space.
- 7. The combination of all the forces acting on an object.
- 14. When a force acts at a distance, the area in which an object experiences that force.
