CHAPTER 3 LESSON 2 SYSTEM INTERACTIONS

3.2 INFORMATION

B. WEATHER Most changes that take place in the atmosphere take place in the troposphere.

B. WEATHER The state of the atmosphere at a particular time and place.

B. AIR TEMPERATURE The average amount of energy produced by the motion of air molecules.

B. AIR PRESSURE The force exerted by air molecules in all directions.

B. WIND The movement of air caused by differences in air pressure.

B. HUMIDITY The amount of water vapor in a given volume of air.

B. HUMIDITY Clouds and precipitation are more likely when humidity is high.

B. CLIMATE The average weather pattern for a region over a long period of time.

B. CLIMATE

B. RAIN SHADOW Mountains can affect the amount of precipitation an area receives by causing the rain-shadow effect.

B. OCEAN CURRENTS Wind blowing the ocean causes surface currents in the water that flow like rivers,

B. OCEAN CURRENTS moving the thermal energy in water from place to place