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73 terms

Water Cycle

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atmosphere
thick layer of air around our world
weather
What is the changing of our atmosphere (hot/cold; wet/dry)?
sun
What causes weather?
atmosphere
Where does only weather happen?
outer space
Where is there no weather?
desert
Example of a dry climate:
rain forest
Example of a wet climate
temperature
how hot or cold something is
sun
Where does Earth get its heat?
atmosphere
land
Two things that soak up heat
land
What soaks up heat quickly?
wind
What happens when warm air rises and meets cold air comes down to fill up the gaps the warm air left?
land
soaks up and gives off heat quickly
oceans
warm and give off heat slowly
thermometer
object used to measure or read temperature
pushing against you
What is air doing all the time?
you have it inside you too
Why don't people feel the air pushing against them?
molecules
What is air made of?
warm/hot
What temperature causes low pressure?
good weather/sunny day
What weather does a "high pressure" bring?
bad weather/stormy day
What weather does a "low pressure" bring?
cumulus
fluffy, white clouds; called fair weater clouds
fog
lowest cloud you can walk through
cirrus
highest cloud in the sky (8-10 miles); looks like wisps of smoke
stratus
whole sky is covered in a blanket of gray clouds; if they are low, there will be drizzle
nimbus
very dark cloud, any shape, lots and lots of rain
billions of drops of water
What are clouds made of?
when drops of water grow big and heavy in clouds
When does it rain?
any type of weather (cold or hot)
When can evaporation happen?
evaporation
sun heats water on Earth, and it changes to vapor
snow
frozen water vapor
billions of flakes of frozen water vapor
What are snow clouds made of?
hail
pieces of ice that fall during thunderstorms
raindrop in a thundercloud
What does a hailstone start as?
summer
When do hailstorms happen?
sleet
rain that passes through a cold layer of air, freezes, and lands on the ground as beads of ice
glaze
coating of ice formed from when it rains and the water freezes as it hits the ground
glaze
coating of ice formed from when it rains and the water freezes as it hits the ground
winter
When does sleet happen?
when air changes from hot to cold or cold to hot
what causes wind?
north wind
west wind
air that comes from the north
air that comes from the west
south winds
What winds bring warm weather?
north winds
What winds bring cold weather?
east winds
What winds bring clouds?
west winds
What winds bring blue skies?
south & west
What two winds bring nice weather?
north & east
What two winds bring bad weather?
hurricane
strong storm with winds over 75 miles per hour (Atlantic Ocean)
typhoon
strong storms in the Pacific Ocean
tornado
funnel cloud with winds up to 300 miles per hour; it is the fastest wind
cyclones
Another name for wind storms
dew
water on the ground in the mornings that forms when the ground is cooled during the night
dew
What wetness does not come from clouds?
frost
water on the ground in the mornings that forms when the ground is freezing cold at night
water vapor in the air
Where does dew come from?
freezes
What happens when water vapor comes near something cold?
snow
What does frost look like?
when the sky is clear
When do you see dew and frost?
11 miles
How tall can a thundercloud be?
clouds blowing apart
What makes lightning?
electricity
What is lightning?
crashing together of hot air from lightning and cold air
What causes thunder?
light travels faster than sound
Why do we see lightning before we hear thunder?
*takes up space
*has weight
*presses on things
Three properties of air:
meteorologists
people who study the weather and the atmosphere
*keeps us warm
*protects us from the sun's harmful rays
How does the atmosphere help Earth?
ozone
What absorbs harmful rays from the sun?
atmosphere
Weather takes place in the _____.
atmosphere
layer of air closest to Earth
stormy
weather along a cold front is ______.
weather
an occurance that happens in the atmosphere at a certain place
*hot
*rainy
*humid
Climate of Louisiana:
climate
the average weather condition of a place over a period of time