matter & energy

2. the sum of potential energy and kinetic energy. KE+PE
3. the same throughout / of the same kind
5. the rate of change of velocity with respect to time.
8. Chemical property determining acidity of basicity.
11. Mass per unit volume.
12. measurement of the average kinetic energy of the particles in a substance.
14. energy of motion
16. The amount of matter in an object.
17. the total energy contained within a substance due to the movement of its particles.
18. A combination of two or more substances that are not chemically combined.
20. energy cannot be created or destroyed, only transferred or transformed.
21. composed of different kinds / diverse
22. amount of energy transferred or converted per unit time. W/t
25. The ability of an object to transfer heat or electricity to another object.
26. A pure substance made of only one kind of atom.

1. The total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.
4. The amount of space an object takes up.
6. A substance made of different atoms or element chemically combined together
7. A heterogeneous mixture of particles that are spread throughout but do not dissolve in it.
8. A substance made of only one type of element or atom.
9. the transfer of thermal energy between objects at different temperatures.
10. stored energy of position or elasticity.
13. energy required to raise the temperature of 1 gram of a substance by 1 degree Celcius.
15. A heterogenous mixture in which very small particles of one substance are distributed evenly throughout another substance.
19. transfer of energy by a force acting on an object as it is displaced. F*d
23. How readily a substance combines chemically with other substances.
24. A homogeneous mixture of two or more substances.