Physics

1. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
5. the quantity determining the energy of mass in a gravitational field or of charge in an electric field
9. an upward current of warm air, used by gliders, balloonists, and birds to gain height.
10. move from one place to another.
12. relating to movement towards a centre of gravity
15. model states what solids, liquids and gases are, and explains the differences in their behaviour.
16. currents a current in a fluid that results from convection

2. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization
3. relating to the nucleus of an atom
4. the action or process of moving or being moved
6. concerned with, operating by, or producing electricity
7. the sum of potential energy and kinetic energy
8. the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch
11. 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.
13. conduction the movement of heat from one solid to another one that has different temperature when they are touching each other.
14. relating to or resulting from motion.