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Science - chap 16


Heat from a campfire reaches you by radiation
winds are caused by differences in air pressure
lcal winds differ from global winds because they are caused by unequal heating within a small area
on average, a snowfall of 20 centimeters would equal a rainfall of 2 centimeters
convection takes place because cold air is more dense than warm air
the freezing point of pure water on the celsius scale is 0 degrees Celcius
Relative humitdity can be measure with a psychrometer
land breezes occur because land cools off faster than water
clouds form when water vapor in the air become liquid water or ice crystals
Earth's rotation makes wind seem to curve. This is called the Coriolis effect
Large clouds that often produce thunderstorms are called cumulonimbus clouds
very high feathery clouds are called cirrus clouds
layered louds that often cover much of the sky are called stratus clouds
the difference between sleet and hail is the size of the ice pellets and where the ice pellets are formed.
heat transfer between two substances that are in contact is called conduction
global winds generally blow from specific directions over long distances.
any form of water that falls from clouds is called precipitation
wind spped is measured by a anemometer
local winds blow over _______distances than global winds shorter
fluids like air tne d to move towards area of _____ pressure low
water vapor in the atmosphere that condenses and falles to the earth is measured with a rain gauge
when you touch a hot spoon, heat is transferred by ___________ from the spoon to your hand. conduction
earth's major wind belts are the trade winds, the prevailing westerlies, andthe polar ___________ escterlies
an instrument called a _______________ is used to mesaure how hot or cold the air is themometer
most of the heating of the troposphere occurs by ___________, which is the transfer of heat by fluid movement. convection
if 4 grams of water vapor are present in a cubic meter of air that can hold a maximum of 10 grams, the __________________ is 40 percent relative humidity
uneven heating of the atmosphere leads to difference in air ________, which causes wind. pressure
icreased cooling called the _______________ factor can make the air feel cooler than the measurement on a themometer. windshield
a sea breeze is a type of ________ wind local
winds that blow between the equator and the poles are ___________ winds. prevaling
winds in the mid-latitudes that blow from west to east are called ____________ westerlies.
clouds form when water vapor in the air become liquid water in the process called consendation
the ___________ is the temperature at which water in air changes from a gas to a liquid dewpoing
clouds that fomr near the ground an look like fluff heaps of cotton are called cumulus
flat layered ____________ clouds can cover most of the sky nimbostratus
an ice pelled larger than 5 millimeteres in diameter that forms during a thunderstorm is cxalled a stratus cloud
scientists use cloud seeding to produce rain during _________, or unusually long , dry periods hail
Created by: smatzinger