Elenco Electronics
Electronic Snap Circuits by Elenco is an award-winning toy for budding engineers eight years old and above.
National Geographic - Volcano
The most dazzling but destructive natural force on earth. Massive volcanic eruption can turn day into night, releasing the power of an atomic blast, spewing toxic avalanches of lava, gas, and ash. National Geographic Video transports you to some of the world's most notorious volcanoes
Supervolcano - It's Under Yellowstone. And It's Overdue
A subterranean sea of molten lava that scientists are sure will burst through the Earth's crust it's just a question of when. And if the resulting super-volcanic eruption is anything like the last one on earth which plunged the world into darkness for six years, tipped us into the last Ice Age and reduced the human population to just 2,000 people we're in for one explosive ride
 This cinder cone (Pu`u ka Pele) was erupted low on the southeast flank of Mauna Kea Volcano. The cone is 95 m in height, and the diameter of the crater at the top is 400 m. Hualalai Volcano in background. |
Cinder cone A cinder cone is a steep, conical hill of volcanic fragments that accumulate around and downwind from a vent. The rock fragments, often called cinders or scoria, are glassy and contain numerous gas bubbles "frozen" into place as magma exploded into the air and then cooled quickly. Cinder cones range in size from tens to hundreds of meters tall. |
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Red Cones, Long Valley Caldera, California This cone is one of two cinder cones called the Red Cones, located about 5 km south of Mammoth Mountain volcano and Long Valley Caldera in California. These basaltic cones and associated lava flows were erupted about 5,000 years ago. |
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Mount Etna, Italy This cinder cone on the flank of Mount Etna is surrounded by a younger basaltic lava flow. |
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Tavurvur, Rabaul Caldera, Papua New Guinea A small explosion from Tavurvur sends an eruption column into the sky a few weeks after it began erupting on September 19, 1994. Lava erupted from the cone in October 1996 and flowed through the breach in the crater (left center). Tavurvur is one of two active cinder cones located on the margins of Rabaul Caldera |
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Mount Veniaminof, Alaska Steam rises from the cinder cone within the caldera of Mount Veniaminof in the final stages of an eruption in 1983-1984. Lava flows that spilled down the side of the cone (dark areas) melted a pit in the summit ice cap about 2.3 x 1 km in dimension. |
Ticket to Ride
Great Family and Friends Board game. 2 to 5 players compete for control of routes accross the United States
Gears! Gears! Gears! Boogie Buddy Motorized Sets
National Geographic's Restless Earth Collection Asteroids Deadly Impact/Volcano/Nature's Fury
The devastating powers of earthquakes, hurricanes, tornadoes, volcanoes and other earth-shattering forces of nature in dramatic scenes of destruction and inspiring human courage captured by the acclaimed filmmakers of National Geographic
Savage Earth
Waves of Destruction
Out of the Inferno
Restless Planet
Hell's Crust
From the legendary fury of Mt. Vesuvius to the devastating convulsions of Kobe, Japan, Savage Earth tells the stories of these great natural disasters,
