front 1 | back 1 Energy of motion |
front 2 | back 2 Scientific law stating that energy can be neither created nor destroyed but just changes form. |
front 3 | back 3 A measure of how much matter is present in a substance. |
front 4 | back 4 The change in an object’s position with respect to time and in comparison with the position of other objects used as reference points. |
front 5 | back 5 The rate of change of position (or distance traveled) with respect to time. |