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Earth’s Weather

Earth’s Weather. Mary Ann Rogers (adapted from Denise Carroll). Changes in Weather. Weather is what the air is like outside. Weather can be warm or cool. Weather can be sunny, windy, or cloudy. Weather can change quickly. There are four seasons during the year. Meteorologists.

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Earth’s Weather

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  1. Earth’s Weather Mary Ann Rogers (adapted from Denise Carroll)

  2. Changes in Weather • Weather is what the air is like outside. • Weather can be warm or cool. • Weather can be sunny, windy, or cloudy. • Weather can change quickly. • There are four seasons during the year.

  3. Meteorologists • Meteorologists are scientists who use special tools to measure, predict, and study weather conditions.

  4. Measuring Weather Conditions • A thermometer measures temperature, or how hot or cold the air is. • A rain gauge measures how much rain or snow has fallen. • An anemometer measures how fast the wind is blowing. • A wind vane shows which direction the wind is blowing. It points to the direction the wind is coming from.

  5. Think:Why do we need to know the weather conditions each day?

  6. Measuring weather conditions helps people. • People will know how to dress when they go outside. • People can plan outdoor activities or vacations. • Scientists can tell people to get ready for bad weather or a big storm. • Measuring the weather conditions help scientists predict the weather.

  7. Hurricane • A hurricane begins over warm ocean waters and has winds that are more than 74 mph. • It has strong winds, high ocean waves, and lots of rain. • It causes floods and destroys many homes and buildings. • The hurricane season begins June 1 and ends November 30. • Stay indoors, in the center of your home, in a closet or bathroom without windows.

  8. Let’s watch… • http://www.watchknow.org/Video.aspx?VideoID=12816

  9. Tornado • A tornado is a funnel-shaped cloud that spins very fast. • It has very strong winds that can destroy many houses and buildings. • It picks up debris or buildings by its swirling winds. • Tornado safety – Stay inside away from windows, doors and outside walls. Cover your head and body to protect yourself from flying objects.

  10. Let’s watch… • http://www.watchknow.org/Video.aspx?VideoID=5032

  11. Blizzard • A blizzard is a storm with heavy snow and strong winds. • It is difficult to see outside during a blizzard. • Blizzard Safety: Stay indoors. If you go outside after the storm, wear layers of clothing.

  12. Let’s watch… • http://www.youtube.com/watch?v=AJbXq6TA8QI&feature=fvw

  13. Thunderstorms • A thunderstorm has rain, thunder, and lightning. • When we see big, thick, dark cumulus clouds, we might expect thunder and lightning to come. • Lightning produces light and heat  - called energy. • When the air is heated that quickly, it expands (gets bigger) and then contracts (gets smaller).  When the air expands and contracts, it creates an explosion called THUNDER. • Lightning safety – Stay indoors away from doors and windows. Do not use the telephone. Take off head sets. Turn off, unplug, and stay away from appliances, computers, power tools, & TV sets.

  14. Let’s watch… • http://www.watchknow.org/Video.aspx?VideoID=13364

  15. Preparing for Weather • Always listen to the radio and television for weather bulletins. • Stock a good supply of food that does not have to be cooked. • Store plenty of fresh water. • Make sure you have flashlights and extra batteries, candles are not safe. • Be sure your pets are safe. • Secure loose objects outside your home. • Always be calm and patient.

  16. Congratulations • You have learned about weather, weather instruments, storms, and how to be prepared for weather. • You’re an expert weather watcher! • REMEMBER TO ALWAYS BE SAFE!

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