| Term | Definition |
| kinetic molecular theory | the theory that all matter is composed of particles (atoms and molcules) moving constantly in random directions |
| kinetic energy | the stored energy of object of particle due to its position or state |
| heat | the transfer of thermal energy from an area or object of high thermal energy to an area or object of low thermal energy |
| conduction | the transfer of one thermal energy from one subtance to another within a solid by direct contact of particles |
| convection | the transfer if thermal energy within a fluid and with the movement of fluid from one place to another |
| thermal energy | the total energy of all the particles in a solid, liquid, or gas |
| atmospheres | layers of gases that extend above a planet's surface |
| barometer | an instrument used to measure atmospheric pressure |
| corolis effect | a change in dirrection of moving air, water or objects due to Earth's rotation |
| atmospheric pressure | the pressure exerted by the mass of air above any point on Eath's surface; also called air pressure |
| kilopascal, kPa | the SI unit that measure the vertical force of atmospheric pressure per unit area |
| prevailing winds | winds that are typical for a certain region |