Energy

1. The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
4. It is very hot.
5. Which a body possesses by virtue of being in motion.
8. Concerned with, operating by, or producing electricity.
9. A container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.

1. A roughly circular line, route, or movement that starts and finishes at the same place.
2. The action of insulating something.
3. Relating to chemistry, or the interactions of substances as studied in chemistry.
6. The process by which heat or electricity is directly transmitted through the material of a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
7. A _____ bulb.