| A | B |
|---|
| metric system | measuring in powers of ten |
| heat | transfer of energy from warm to cooler objects |
| insulator | matter that holds heat |
| conductor | matter that transfers heat well |
| radiation | convection |
| force | pushes or pulls |
| work | energy needed to move objects |
| energy | heat, movement of molecules |
| simple machines | machine that uses force and distance |
| load | the weight giving force on a machine |
| effort | energy needed in a force |
| circuit | flow of electricity in a circular path |
| current electricity | flow of electricity |
| magnet | matter that applies force over empty space |
| standard unit | common word of measurement |
| gram | standard unit of mass |
| balance | finding equal weights on a scale |
| transformation | changing energy from one form to another |
| inventions | machines that transform energy in new ways |
| forms of energy | different ways energy can be harnessed |
