pictionary cards

layers of atmosphere
troposphere,stratosphere, mesosphere, thermosphere,and exosphere
Changing states of water
water is when it changes from a solid, to a liquid and then into a gas
Saturation point
the stage at which no more of a substance can be absorbed into a vapor or disadvantage
Relative humidity
the amount of water vapor present in air expressed as a percentage of the amount needed
Hygrometer
an instrument for measuring the humidity of the air or gas
Dew point
the atmospheric temperature(varying according to pressure and humidity) below which water droplets begin to condense and dew can form
Adiabatic rates
the rate at which atmospheric temperature decreases with increasing altitude in conditions of thermal equilibrium.
Clouds
a visible mass of condensed water vapor floating in the atmosphere.
Air mass
a body of horizontally uniform temperature, humidity,and pressure.
Air pressure
the force exerted onto a surface by the weight of the air.
Barometer
an instrument measuring atmospheric pressure used especially in forecasting the weather and determining altitude.
Isobar map
an imaginary line or a line on a map or chart connecting or marking places of equal barometric pressure.
Cyclones
a system of winds rotating inward to an area of low atmospheric pressure.
Anticyclones
a weather system with high atmospheric pressure at its center around which air slowly circulates in a clockwise direction.
Cold front
the boundary of an advancing mass of cold air in particular the trailing edge of the warm sector of a low-pressure system.
Warm front
the boundary of an advancing mass of warm air in particular the leading edge of the warm sector of a low-pressure system.
Stationary front
a pair of air masses neither of which is strong enough to replace the other.
Occluded front
a composite front produced by occlusion.
El nino
an irregularly occurring and complex series of climatic changes affecting the equatorial pacific region and beyond every few years.
La nina
a cooling of the water in the equatorial pacific that occurs at irregular intervals and is associated with widespread changes.
Doppler effect
an increase in frequency of sound, light, or other waves as the source and observer move towards each other.
Ozone layer
a layer in the earth’s stratosphere at an altitude of about 6.2 miles containing a high concentration of ozone.
Greenhouse effect
the trapping of the sun’s warmth in a planet’s lower atmosphere due to the greater transparency of the atmosphere.
Global warming
a gradual increase in the overall temperature of the earths atmosphere generally attributed to the greenhouse effect.