Science
Across
- 2. a material or object that produces a magnetic field.
- 4. A device used to determine geographical direction
- 6. A muscle, nerve or centre that effects or produces movement
- 7. a branch of Physics, that deals with the electromagnetic force that occurs between electrically charged particles.
- 8. the region around a magnetic material or a moving electric charge within which the force of magnetism acts.
- 9. The flow of eletrical power or charge
- 10. a reddish, extremely ductile metal of Group 11 (Ib) of the periodic table that is an unusually good conductor of electricity and heat
- 12. A chemical element
- 13. a device that stores chemical energy, and converts it to electricity.
- 17. a flexible metallic conductor, especially one made of copper, usually insulated, and used to carry electric current in a circuit.
- 18. a device that converts mechanical energy (itself derived from coal, oil, natural gas, wind, water, nuclear reactions or other sources) into electrical energy.
- 19. the direction along Earth's surface towards the place where the imaginary rotational axis of the Earth intersects the surface of the Earth
- 20. an infolding of skin that occurs at the terminal end of each digit
Down
- 1. chemical element
- 3. a unit of measure of the rate of electron flow or current in an electrical conductor.
- 5. the direction that points directly towards the geographic North Pole
- 6. an important class of micro-/nanomaterials that display magnetic properties when subjected to external magnetic fields.
- 8. the direction that a compass needle points to as it aligns with the Earth's magnetic field
- 11. The direction that points directly towards the geographic south pole
- 14. The potential difference between two places
- 15. a flow of electrical charge carriers, usually electrons or electron-deficient atoms
- 16. any substance that has a defined composition