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Across 1. energy that a body possesses by virtue of being in motion. (2 Words) 6. The degree or intensity of heat present in a substance or object. 7. the amount of heat absorbed or evolved at 25° C (77° F ) and at one atmosphere pressure when one mole of a compound is formed from its constituent elements, each substance being in its normal physical state (gas,… (3 Words) 8. substances/objects that can not conduct electricity 12. reaction in which heat is released. 13. : the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors. (2 Words) 17. The amount of heat required to convert a liquid into a gas at constant temperature and pressure. A gas releases the same amount of heat when it becomes a liquid. (3 Words) 18. The quality of being hot; high temp. 20. amount of energy absorbed by the reaction; in exothermic reactions, it is the amount given off. See also thermodynamics 21. Substances that can conduct electric current. 22. 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 23. Either of two units of heat energy. Equal to the work done by one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt- hour.

Down 2. Also known as energy conversion, is the process of changing of energy from one of its forms into another (3 Words) 3. The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions. (3 Words) 4. : the lowest temperature that is theoretically possible, at which the motion of particles that constitutes heat would be minimal. It is zero on the Kelvin scale, equivalent to –273.15°C or –459.67°F. (2 Words) 5. the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material. 6. : Is the internal energy of an object due to the kinetic energy of its atoms and/or molecules. The atoms and/or molecules of a hotter object have greater kinetic energy then those of a colder one, in the form of vibrational, rotational, or, in the case of a gas, translational motion. (2 Words) 9. the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree). (2 Words) 10. the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy. 11. reaction when heat is absorbed. 12. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system. 14. the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction. (2 Words) 15. The heat absorbed by a unit mass of a given solid and its melting point that completely converts the solid to a liquid at the temperature: equal to the heat solidification (3 Words) 16. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization. 19. Either of two units of heat energy.