Across
- 1. stable subatomic particles occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- 5. will always point north or to Earth's north pole.
- 6. energy produced by the movement of electrons
- 7. a magnet as two
Down
- 2. attract each other, or pull the magnets together
- 3. a physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.
- 4. any object that attracts or repels materials, such as iron, cobalt, nickel, and
- 5. are a characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.