click below
click below
Normal Size Small Size show me how
lesson15 science
science
Question | Answer |
---|---|
atmoshere | layer of air that surrounds Earth |
cycles | proccesses that repeat over and over |
altitude | distance above sea level |
density | amount of mass in a given volume of a substance |
radiation | energy that travels across distances in the form as certain types of waves |
conduction | transfer of heat energy from one substance to another through direct contact |
convection | transfer of energy from place to place by the motion of gas or liquid |
ultraviolet radiation | waves with a lot of energy |
infrared radiotion | waves w/ less eneergy than visible light |
ozone | o3 |
greenhouse effect | gasses absorb and emit radiation |
greenhouse gasses | gasses that absorb and give off infrared radiation |
air pollution | harmful materials added to the air |
particulates | tiny particles mixed up in the air |
fossil fuels | fuels formed from the remains of prehistoric plants/animals |
smog | smoke and fog |