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12-5 Precipitation
Chapter 12 Section 5
20
Science
6th Grade
03/28/2009

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Term
What is precipitation
Definition
any form of water that falls from clouds and reaches Earth's surface
Term
sleet ice particles are ____________
Definition
smaller than 5 mm in diameter
Term
hail ice particles are ___________
Definition
larger than 5 mm in diamter
Term
what is the difference between sleet and hail?
Definition
the size of the particles and where they came from
Term
meteorologists measure rainfall with a
Definition
rain gauge
Term
t or f
on average 10 cm of snow contains about the same amount of water as 1 cm of rain
Definition
true
Term
what do you use to seed clouds?
Definition
dry ice and silver iodide
Term
t or f
cloud seeding is the most common way to produce rain from clouds and it adds particles to clouds so water vapor can condense
Definition
true
Term
t or f
cloud seeding has been used to clear fog from airports
Definition
true
Term
the energy transfer from a hotter object to a cooler one is
Definition
heat
Term
reflection of light in all direction is
Definition
scattering
Term
transfer of heat by movements of a fluid is
Definition
convection
Term
clouds that form in flat layers are
Definition
stratus
Term
a type of breeze that blows from the ocean or a lake to the land is
Definition
sea breeze
Term
distance north or south from the equator measured in degrees is
Definition
latitude
Term
the average AMOUNT of energy of motion in the molecules of a substance is
Definition
temperature
Term
water shortage caused by long periods of low precipitation
Definition
drought
Term
an instrument used to measure wind speed
Definition
an anemometer
Term
measure of amount of water vapor in the air is called
Definition
humidity
Term
clouds that are made mostly of ice crystals that form at high altitudes are called
Definition
cirrus
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