What's That?
(Definitions)
(Definitions)
What is irrigation?
to supply land with water
What are the main features of a snowstorm?
frozen water vapor falls gently as snowflakes, blankets the plants (if has heavy winds, then a blizzard)
What are the main features of a thunderstorm?
rain, lightning, thunder, wind, clouds
How do people tell one hurricane from another?
each is given a first name of men or women common in that region (A to Z order)
What is the purpose of the water cycle?
to provide water to our earth
What is erosion?
being worn down little by little
a hailstorm
frozen ice falls, noisy, usually little damage, sometimes larger hailstones cause damage
Name 2 safety ideas during a thunderstorm
If outdoor take shelter or crouch low, avoid boating or swimming or standing under trees
What are the two major temperature scales called?
Celsius, Fahrenheit
How can sand and dust storms impact car drivers?
poor visibility and driving conditions
What is ozone?
a gas in the atmosphere that protects from harmful sun rays
a tornado
funnel-shaped cloud, 200 mph winds, less than a mile across, a few minutes time
How can you tell how far lightning is?
Count the seconds from the lightning to thunder, and divide by 5 to get miles away
What is a tornado moving over water called?
a waterspout
Which travels faster, sound or light?
light (186K miles per second) (Sound is 1K feet per second)
What is (non-nuclear) radiation?
giving out rays of light, heat, or electricity
a hurricane
forms over warm ocean, wide storm, 75 mph winds, 25-500 miles across, a day to a month time
What causes thunder?
lightning rapidly heats the air, which expands to a thunderclap
Name 2 of the 4 causes of weather
air movement, air pressure, changes in temperature, moisture content
What do we call changing from a liquid to a gas?
evaporation
What is a hurricane’s eye?
calm center 20 miles across
What are the main features of geographic changes?
Wind wears down rocks; wind carries dust/sand far distances; water, plants, ice, & changing temperatures
How does lightning help the earth?
lightning forms gases which act as fertilizer when they reach the soil
Name 4 of the 8 forces of weather
dust storms, geographic changes, hailstorms, hurricanes, sandstorms, snowstorms, thunderstorms, tornadoes
How does the National Weather Service take photos of cloud systems?
satellites