The Lost Seasons - Features - The Lab - Australian Broadcasting Corporation's Gateway to Science Hundreds of years ago, the seasons in Australia were marked by local events like sharks breeding and wattle flowering. The indigenous people had a good empirical knowledge of their local weather. Today science is finally acknowledging the validity of indigenous weather knowledge. Danny Kingsley reports on the new partnership between ancient wisdom and modern science. Australia is a large continent, with very different weather patterns all over it, yet since European occupation, the 'traditional' view of the weather has been that of the Northern Hemisphere, with four seasons; Spring, Summer, Winter and Autumn. Everywhere else, the weather is localised and different. Of course, those people who have lived in the country for thousands of years take a very different approach to the weather, tied up as it is with food supply, shelter and the land in general. Systematic documentation The inspiration Sharing the Knowledge "The knowledge runs through women. Signs the seasons are changing
Switch Zoo - Animal Games Lesson Plans - Seasons: Why It's Essential Grades 9-12 Overview: High school students should have a clear understanding of why the seasons occur and should be able to articulate this concept to others. This lesson reinforces this knowledge by having students review the basics of the seasons and design their own monuments to keep track of and commemorate the seasons. In the process students will review their understanding of the science behind the seasons, learn some theories about Stonehenge, Medicine Wheel, and other monuments, and reflect on their own culture's methods of commemorating the passing of the seasons. Connections to the Curriculum: Geography, earth science, history Connections to the National Geography Standards: Standard 7: "The physical processes that shape the patterns of Earth's surface" Standard 17: "How to apply geography to interpret the past" Time: Two to three hours Materials Required: Computer with Internet access Writing and drawing materials Objectives: Geographic Skills: S u g g e s t e d P r o c e d u r e
GRAIL MoonKAM | GRAIL MoonKAM Click here to learn more about the GRAIL mission and what scientists are hoping to discover. Click here to find out why scientists are turning their attention to the Moon and what it would be like to walk on the lunar surface. Click here to read about lunar science, including the exciting discovery of water at the Moon's south pole. Request pictures from the GRAIL mission - you pick the location and GRAIL satellites snap the photo Click here to register your classroom for participation in the upcoming GRAIL mission. In 2011, NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission will launch twin spacecraft in tandem orbits around the Moon to measure its gravity in unprecedented detail. Copyright © 2011 Sally Ride Science .
Grasslands Grasslands go by many names. In the U.S. Midwest, they're known as prairies. In South America, they're called pampas. In fact, most grasslands are located between forests and deserts. There are two different kinds of grasslands: tropical and temperate. Tropical grasslands are warm year round, but usually have a dry and a rainy season. Temperate grasslands, which average between 10 and 30 inches (25 and 75 centimeters) of rain per year, have shorter grasses, sometimes just a few millimeters. The animals that live in temperate grasslands have adapted to the dry, windy conditions. When rainy season arrives, many grasslands become coated with flowers, some of which can survive well into winter with the help of underground storage organs and thick stem bases. No other habitat is as agriculturally useful to humans as grasslands. Fires, both natural and human-caused, are important in maintaining grasslands.
Radio 4 - So You Want To Be A Scientist? - The Experiments - Homing Snails Experiment - Snail Swapping Instructions Activities - Xpeditions @ nationalgeographic.com Your Mission Become a season sleuth. Learn the long and short of the changing of the seasons, then test your knowledge with our cosmic map. Briefing In most regions of the Earth, the cycle of the year can be separated into four distinct seasons: summer, autumn, winter, and spring. If your answer is yes, you're not the only one. The ancient Greeks thought that the seasons owed their existence to an unfortunate marriage between Persephone (per–SEFF–uh–nee), the daughter of the goddess of the harvest, and Hades (HAY–deez), the god of the underworld. If you asked ancient Navajo Indians, they would tell you that the seasons are caused by Estsanatlehi, the wife of the sun god Tsohanoai. The Earth rotates on an axis that is tilted. Xpedition Xtra: To simulate the tilt of the Earth as it goes around the sun, point at a motionless object across the room and walk in a circle around a friend while he/she remains motionless.
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