Across
- 5. the branch of physics that studies light,
- 8. branch of physics that studies electric charges at rest and the forces, fields, and potentials arising from these stationary charges
- 12. the fundamental capacity of a physical system to do work
Down
- 1. a physical push or pull that changes an object's motion
- 2. a stream of photons,
- 3. the natural movement of particles from an area of higher concentration to an area of lower concentration
- 4. a propagating, dynamic disturbance or vibration that transfers energy from one point to another
- 6. the smallest basic unit of a chemical element
- 7. the fundamental property of an object representing the total amount of matter it contains
- 9. the smallest basic unit of life
- 10. an atom or group of atoms that has acquired an electrical charge by either losing or gaining one or more electron
- 11. sensory organ responsible for vision
