| A | B |
|---|
| energy | ability to cause change |
| radiation | the transfer of energy by waves |
| conduction | transfer of energy by direct contact between particles |
| convection | transfer of heat energy through fluids by moving particles |
| potential energy | stored energy |
| joule | the basic unit of energy used by scientists |
| kinetic energy | energy of motion |
| work | force moving an object |
| force | a push or pull |
| newton | unit to measure force |
| resistance force | forces that resist motion |
| effort force | the force exerted on an object to get it to move |
| friction | a force that acts against other forces |
