| A | B |
| Which of the following types of air masses are most likely to form over land near the equator? | cT |
| Which of the following is NOT characteristic of a high pressure system? | thunderstorms |
| A ___ is the narrow region separating two air masses of different densities. | front |
| All the following: stationary, warm, tropical, occluded, are types of fronts EXCEPT | tropical |
| Clouds, showers, and sometimes thunderstorms are associated with what type front | cold |
| What process describes the change of states of water from a liquid to a gas" | evaporation |
| gather upper level data; measure temperature, air pressure and humidity | radiosonde |
| observe weather; traacks clouds | satellites |
| measures temperature | thermometer |
| measures wind direction | wind vane |
| measures air pressure | barometer |
| measures wind speed | anemometer |
| measures the height of clouds layers and estimates the amount of sky covered by clouds | ceilometer |
| measures relative humidity | hygrometer |
| Contrast the four systems of Earth. | Lithosphere-earht's rigid outer shell, including the crust and solid, uppermost part of the mantle. |
| What is the difffererce between weather and climate? | Weather is the current state of the atmosphere. Climate desccrbe the average weather over a long perod of time. |