Abeka 5th Science Test Chapter 8
Terms
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- A person who studies the weather
- Meterologist
- The basic cause of all weather
- Sun
- The different seasons are caused by
- Tilt of the earths axis
- List major wind systems
- Polar easterlies, prevailing westerlies, tradewinds
- Continious exchange of water between the water and the atmosphere is called...
- Water cycle
- The process of liquid water changing into water vapor is called
- evaporation
- The process water vapor changing to liquid water is called
- condensation
- The type of water that falls from the clouds is called
- precipatation
- The amount of water vapor in the air is called
- humidity
- Air that has a 100% humidity is called
- saturated
- Which type of air can hold more water vapor, warm or cold?
- Warm
- A single large unit of air with uniform temperature and humidity is called an
- air mass
- The temperature at which cooling air becomes saturated and can no longer hold its water vapor is called
- dewpoint
- The boundary between two air masses is called a
- front
- Three main types of clouds
- Cumulus, stratos, cirrus
- Cumulus
- Heap or cloud, puffy and bulgy, grows upward from warm air rising vertically
- Stratus
- means layer, looks flat,gray, low sheet or blanket clouds that stretch over the sky, usually bring rain
- Cirrus
- means wisp or curl, made from ice crystals because they are high, looks feathery and wispy, nicknamed mares tail
- Nimbus
- To produce rain
- Alto
- means mid level
- Another name for cumulonimbus cloud is
- thunderhead
- ice crystal that falls from a cloud, melts, and hits the ground as water is
- rain
- ice crystal that falls from a cloud, stays frozen, and hits the ground as an ice crystal is
- snow
- ice crystal that falls from a cloud, melts, then refreezes in the air, and hits the ground as tiny pieces of ice is
- sleet
- ice crystal that falls from a cloud, melts, hits the ground as a liquid, refreezes as soon as it touches land is
- freezing rain
- snow that falls as individial ice crystals is called
- dry snow
- a small piece of ice that keeps getting blown back into a cloud, forming more and more layers of ice and becomes too heavy and falls to earth is
- hail
- the only type of precipatation that does not start as an ice crystal is called
- tropical rain
- snow that falls and melts slightly and sticks to other icecrystals to form snowflakes is
- wet snow