| A | B |
| ultraviolet radiation | A form of energy with wavelengths that are shorter than visible light |
| visible light | a form of energy that reaches the Earth in a mixture of all the colors you see in rainbow |
| infrared radiation | form of energy with wavelengths that are longer than visible light |
| convection | transfer of heat by movements of a fluid or gas |
| conduction | transfer of heat from one substance to another by direct contact of particles of matter |
| radiant energy | energy that travels in waves |
| reflection | energy bounces off an object |
| refraction | light slows down as it moves from one medium to another |
| absorbtion | clouds gases and land absorb heat energy from the sun |