THERMAL ENERGY

2. Substances that do not conduct heat well
4. he bond formed by the complete transfer of valence electron to attain stability
5. materials that allow the transmission of heat
9. of Conservation of Mass in a chemical reaction mass is neither created nor destroyed
11. a measure of the average kinetic energy of the particles in an object
13. the temperature at which a given solid will melt
17. the minimum energy required to cause a process (such as a chemical reaction) to occur
18. the lowest temperature possible
19. the temperature at which a liquid turns into a solid when cooled.

1. when heat moves from one object to another object through direct touch
3. energy that comes from a source and travels through space at the speed of light
6. a chemical bond that involves the sharing of electrons to form electron pairs between atoms
7. a chemical reaction that releases energy by light or heat
8. a substance that is formed when two or more reactants interact during a chemical reaction
10. Energy that is transferred from one body to another as the result of a difference in temperature
12. a chemical reaction that releases energy by light or heat
14. any chemical reaction that absorbs heat from its environment
15. change a physical process in which a substance goes from one phase to another.
16. Equation a way to represent a chemical reaction using element symbols