| A | B |
|---|
| air parcel | an amount of air that moves as a unit |
| air pressure | the force on a surface caused by the weight of the atmosphere pressing down on Earth |
| atmosphere | the mixture of gases surrounding a planet |
| cloud | liquid water droplets suspended in the air |
| condensation | the process by which a gas changes into a liquid |
| energy | the ability to make things move or change |
| evaporation | the process by which a liquid changes into a gas |
| forensics | scientific methods used to reconstruct and understand a mystery |
| humidity | a measure of how much water vapor is in the air |
| meteorology | the scientific study of weather |
| pattern | something we observe to be similar over and over again |
| precipitation | rain- snow- sleet- or hail that falls from clouds onto the ground |
| source | where something comes from |
| stability | when something stays mostly the same over time |
| temperature | measure of how hot or cold something is |
| transfer | to move from one object to another or one place to another |
| troposphere | the layer of the atmosphere closest to Earth- where weather happens |
| water vapor | water as a gas |
| weather | conditions such as rain- clouds- and wind at a particular time and place |
| wind | the movement of air in a particular direction |
