Weather Unit E in our textbooks Video Intro 15:00.

Weather

Unit E in our textbooks

Video Intro 15:00

Air E10-11

mixture of gases that take up space and have weight

Nitrogen = 78%Oxygen = 21%Carbon Dioxide, water vapor, etc. = 1%

Gases’ Importance to Life E10-11 Carbon Dioxide (CO2) - plants use to make food

Oxygen (O2) – Humans breathe it in

Nitrogen – bacteria makes it useful for plants

Water vapor – makes rain (helps plants grow)

Atmosphere E12-13

Thermosphere

Mesosphere

Stratosphere

TROPOSPHERE***(where weather happens)

Orange = Thermosphere

Pink = Mesosphere

Yellow = Stratosphere

Sky Blue = troposphere

Weather vs. Climate E13; E86-91

WEATHER = condition of atmosphere (troposphere) at a certain place and time

CLIMATE = weather conditions over a LONG period of time

3 Climate Categories E 86-91

Polar – temperature usually below freezing

Temperate – warm, dry summers& cold, wet winters

Tropical – hot and rainy all yearVideo 15:00

Greenhouse Effect E14-15

heat builds up near Earth’s surface and is trapped by the atmospherepollution increases it and may be causing global warming

Video 24:00

Wind E20-22

As air is warmed, the particles spread farther apart (Hot Air Balloons).

Warm air RISES; Cool air SINKS

Wind = movement of air

Video 3:24

Wind Tools E38-41

To find DIRECTION: Wind vaneWind sock

To find SPEED:Anemometer – tool with four cups that spinBeaufort Scale – measures wind speed from 2-12

Air Pressure E30-33

Air Pressure – push of air against its surroundings

Barometer – measures air pressure

Cooler air=higher pressure; Warmer air=lower pressure

Video 13:00

Humidity E46-47

Humidity – amount of water vapor in the air (changes from day to day) Sweat = cooling system; As it evaporates (changes from a liquid to a gas), it cools your body. * When the humidity is high, it doesn’t evaporate as easily, and therefore, you feel hotter.

Video 3:39

Precipitation E44-48

Clouds form when water vapor condenses (changes from a gas to a liquid). *When the drops are heavy enough, they fall to Earth.Precipitation – any form of water

that falls from the air (rain, snow, sleet, hail, etc.)

Rain Gauge – tool used to measure amount of precipitation

Video 15:01

TYPES OF CLOUDS E55-57

Cumulus – tall and puffy – look like cauliflower

Stratus – FLAT, gray blankets

Cirrus – wispy – look like commas

Prefixes for Cloud Names E57

Nimbo- = RAIN

Cirro- = HIGH

Alto- = MEDIUM

Video 15:00

Forecasting E54; 62-65

Weather satellites – devices in space that take pictures of clouds and collect weather information

Weather forecasters- person who makes predictions about the weather using maps and images from the satellites

Video 15:00

Fronts E64-65

Front–place where two different types of air masses meetWarm front = warm moves into cool (light rain)

Cold front = cold moves into warm (thunderstorms)

Video 4:30

Storms E68-70

Thunderstorm – storm with heavy rain, strong winds, lightning, and thunderFlash Flood – sudden and violent floods

Video 15:00

Hurricanes/Tornadoes E71-74

Hurricanes – large violent storms that form over warm ocean water (winds at least 74 mph)

Tornado – funnel-shaped storm of upward spinning wind

Video 15:00

Video 15:00

Seasons E78-83

1 rotation about Earth’s axis = 1 day (24 hours)

1 revolution around the sun = 1 year (365 ¼ days)

Revolution is when the earth travels around the sun. After 365 days, it’s done!

Rotation is when the earth takes a spin. After 24 hours, a new day can begin.

Seasons E78-83

SEASONS occur because Earth is TILTED on its AXIS

Video 26:00

Weather Fun

Field Trip

Mrs. Frizzle Style

Video 29:24

References - VideosRain or Shine: Understanding the Weather. Rainbow Educational Media (1987). Retrieved May 4, 2006, from

unitedstreaming: http://www.unitedstreaming.com/

Weather Smart: The Water Cycle and Clouds. United Learning (2001). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Power Up: Energy in Our Environment. Rainbow Educational Media (1992). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Weather Smart: Forecasting and Weather Instruments. United Learning (2001). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Reasons for the Seasons, The. United Learning (1997). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Weather Smart: Thunderstorms. United Learning (2001). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Weather Smart: Climate. United Learning (2001). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

References - Pictures

Mrs. Frizzle Picture. May 4, 2006 www.verizonreads.net

Windsock. May 3, 2006. www.aerocovers.com

Weather Map. May 4, 2006. www.weather.com

Warm front rising above cold front. Paul Fuqua. (2005). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Hurricane Frances approaching Florida coast. . (2005). Retrieved May 4, 2006, from unitedstreaming: http://www.unitedstreaming.com/

Tornado. May 2, 2006 mypage.bluewin.ch/klipsi/tornado-Springer.jpg