Energy and Heat Crossword

2. A substance which does not readily allow the passage of heat or sound
3. Change A change from one state (solid or liquid or gas) to another without a change in chemical composition
5. System is a system primarily designed to supply energy-services to end-users
8. Energy Energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
9. caused within a fluid by the tendency of hotter and therefore less dense
10. Process by which heat or electricity is directly transmitted
11. of Energy Principle stating that energy cannot be created or destroyed
13. Energy Energy which a body possesses by virtue of being in motion
14. A material or device that conducts or transmits heat, electricity or sound
15. Energy Internal energy of an object due to the kinetic energy of its atoms and/or molecules

1. Emission of energy as electromagnetic waves or as moving subatomic particles especially high-energy particles which cause ionization
4. Heat The heat required to raise the temperature of the unit mass of a given substance by a given amount
6. Branch of physical science that deals with the relations between heat and other forms of energy
7. Energy is the sum of potential energy and kinetic energy
12. The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale