Across
- 4. an electrical device consisting of a length of wire arranged in a coil for converting the level of a voltage, producing a magnetic field, or adding inductance to a circuit
- 6. the pole of a magnet that points toward the north
- 8. Magnetic resonance imaging
- 11. or leading stone
- 13. is a method of reasoning in which you use individual ideas
- 15. with a positive electric charge equal in magnitude to that of an electron
- 19. each of the points near the extremities of the axis of rotation of the earth
- 20. is the quantitative property that must be transferred to an object
Down
- 1. is a vector field that describes the magnetic influence of electric charges
- 2. is a push or pull upon an object
- 3. an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication
- 5. Those materials which are not attracted by a magnet
- 7. is either of two points on the surface of a rotating planet
- 9. is a tiny particle that comprises waves of electromagnetic radiation
- 10. a short-lived subatomic particle that is an excited state of a more stable particle
- 12. an instrument containing a magnetized pointer
- 14. the basic unit of a chemical element
- 16. a piece of iron (or an ore, alloy, or other material) that has its component atoms so ordered that the material exhibits properties of magnetism
- 17. the same mass as a proton but without an electric charge
- 18. electrocardiogram