Weather, meteorology, and climate posters, charts, calendars and books for the science and social studies classroom, home schoolers and as theme decor for office and studio. Posters include the International Edition of the Weather poster, and images of sun, rain, snow, fog, storms, winds, tornados / twisters, clouds, rainbows, hurricanes, lightening.
According to scientists humanity has ten years at best, or until 2019, before catastrophic climate change becomes inevitable and irreversible. It is projected (summer 2009) that the Arctic will be ice-free in 2013. Such a massive environmental change will create dislocation, destruction, chaos, and conflict as the effects filter beyond the Alaskan coastal village of Newtok which is moving nine miles inland, and the melting permafrost which releases methane gas into the atmosphere.
Facts, as John Adams said, are stubborn things. Here are a few you need to know: Atmospheric carbon-dioxide levels have risen 38% in the industrial era, from 280 to 385 parts per million (ppm). Scientists have warned that anything above 450 ppm -- a warming of 2 degrees Celsius -- will result in an unacceptable risk of catastrophic climate change.
• “The creative act lasts but a brief moment, a lightning instant of give-and-take, just long enough for you to level the camera and to trap the fleeting prey in your little box.” ~ Henri Cartier-Bresson
• “If there is no struggle, there is no progress. Those who profess to favor freedom, and deprecate agitation, are men who want crops without plowing up the ground, they want rain without thunder and lightning.” ~ Frederick Douglass
• “Enthusiasm is the leaping lightning, not to be measured by the horse-power of the understanding.” ~ Ralph Waldo Emerson
• “Nature chose for a tool, not the earthquake or lightning to rend and split asunder, not the stormy torrent or eroding rain, but the tender snow-flowers noiselessly falling through unnumbered centuries. ~ John Muir
• “The difference between the right word and the almost right word is the difference between lightning and a lightning bug.” ~ Mark Twain
• “I roamed the countryside searching for answers to things I did not understand. Why thunder lasts longer than that which causes it, and why immediately on its creation the lightning becomes visible to the eye while thunder requires time to travel” ~ Leonardo da Vinci
• “Few will doubt that humankind has created a planet-sized problem for itself. No one wished it so, but we are the first species to become a geophysical force, altering Earth's climate, a role previously reserved for tectonics, sun flares, and glacial cycles. We are also the greatest destroyer of life since the ten-kilometer-wide meteorite that landed near Yucatan and ended the Age of Reptiles sixty-five million years ago. Through overpopulation we have put ourselves in danger of running out of food and water. So a very Faustian choice is upon us: whether to accept our corrosive and risky behavior as the unavoidable price of population and economic growth, or to take stock of ourselves and search for a new environmental ethic.” ~ E. O. Wilson
Colorful graphics and well-researched text illustrate global atmospheric influences, meteorological motion, clouds and precipitation, severe weather, weather symbols, meteorological optics, pollution meteorology and aviation meteorology.
Weather Teaching Poster Set - Package includes 4 reproducible activity sheets, a teacher's guide, and 4 sturdy 17" x 22" posters - Earth's Atmosphere; Air, Air Pressure, and Wind; Weather vs. Climate; and Forecasting the Weather.
Wind, rain and other forces are constantly shaping and rearranging the Earth's surface. This process of change is known as erosion and weathering. Erosion is the process of removal and transportation of Earth's materials by natural forces. These forces can include rain, wind, rivers, glaciers, earthquakes, and volcanoes.
Weathering is similar to erosion except it does not include the transportation of materials. It is the process of rock breakup resulting from exposure to the atmosphere. Mechanical weathering involves the physical breakup of rock, without altering the chemical makeup of the minerals compounding it. An example of mechanical weathering is when ice expands to break apart rock. If the chemical makeup is altered, it is referred to as chemical weathering. Rust is a form of chemical weathering.
Very Unpleasant Weather, or the Old Saying verified “Raining Cats, Dogs and Pitchforks!” - Illustration by George Cruikshank.
The idiom “it is raining cats and dogs” refers to a heavy downpour. There is no evidence that it has any connection to the very real “raining animals” phenomenon that has been reported through out history and around the globe. Usually the creatures are fish, frogs and birds what may have been scooped up by a strong wind and dropped miles from their origin.
The setting of Shakespeare's 1611 The Tempest, a violent storm and shipwreck, is thought to have been inspired by the destruction of a 1609 Virginia Company expedition to relieve the colony of Jamestown. The expedition flagship of Sir George Somers wrecked on the islands we now know as Bermuda.
Torricelli was an Italian mathematician and physicist most noted for inventing the Barometer (1642) and for stating Torricelli's Law concerning the speed of a fluid flowing out of an opening, later shown to be a particular case of Bernoulli's principle. He succeeded Galileo as the grand-ducal mathematician and professor of mathematics in the University of Pisa.
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