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How does yeast make bread grow? The scientists will experiment with the ingredients in bread to discover how this happens. They will also explain why time zones exist. Part of the House of Science Series.
(Source: DCMP)
Types of climates and climate zones are explained using familiar examples. This video explores the plants and animals that inhabit different climates, the influence of temperature and precipitation on climate, and the causes of climate change over time. Other topics covered include topography, prevailing winds, rain shadow, altitude, climate, latitude, polar zone, temperate zone, and tropical zone.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko thinks that somewhere lies a creature that blows so hard that it makes the boughs of trees quiver and creates the desert dunes. He believes that the clouds flee before the wind comes because they are afraid of the creature. He decides to go look for it. Tired after walking beneath the hot sun, a fresh, light breeze makes his rest more pleasant. However, the creature is actually the Harmattan blowing over West Africa.
Ocean “dead zones” along the Washington and Oregon coasts are threatening critical U.S. fishing areas. These oxygen-depleted regions, that loose virtually all of their marine life in the summer, are expanding, and new ones are appearing in the Pacific Ocean. With support from the National Science Foundation, Oceanographer Jack Bath is also using an impressive new tool, an unmanned underwater glider that provides round the clock monitoring of these zones.
What’s on the menu? Find out how aquarists feed some of the largest and smallest aquarium animals under their care. Understanding marine food webs, animal behavior, and nutrition are important skills needed for this science-based career. Part of the "Aquarist" series.
Timeblazers Jen and Sam travel back 63 million years before the first primitive people appeared on Earth, and they learn that people and dinosaurs never met. They jump to the Paleolithic age, when humans first appeared, to see some "cavemen," as they are often called. About 8000 BCE the first primitive civilizations began to develop after humans started farming. Then to 3100 BCE: The Egyptians. Around 750 BCE came the ancient Greek civilization; then from about 27 BCE to 476 CE came the Roman Empire. Then came the Middle Ages from 500 to about the year 1400, the Renaissance.
Features different systems of measurement and their value to science in five separate segments. Stardust Elements: Looks at the life cycles of stars and explains how the death of a star seeds the universe with all the elements of the periodic table. End of Dinosaurs: Debates several scientific theories about why and how dinosaurs became extinct. Earthly Thermometers: Demonstrates how the Fahrenheit, Celsius, and Kelvin scales measure the same thing in different ways and why we need precise measurements of temperature. Frozen in Time: Pieces together the past of a 5,300-year-old man whose body was preserved in ice in the Italian Alps. Hurricanes Take the Heat: Follows researchers who study how hurricanes form and try to predict where the next one will strike.
Increasing the time of a collision from a tenth of a second to two tenths of a second can make a huge difference in the number of "G's" a driver experiences. The car, the track, the seat belts, and seat construction spread out the force of impact and save lives. Part of "The Science of Speed" series.
Timeblazers Sam and Jen go back to a time when ancient Chinese civilizations were using cowrie shells as currency and when buying a water buffalo meant coughing up the animal's weight in coins. They flash forward to the 1800s, when goods could be purchased in exchange for beaver pelts. Then to the middle of the 1400s, when "gold fever" gripped the imaginations of explorers who dreamed of finding the fabled city of El Dorado, but it was the California gold strike in 1849 that brought more than 50,000 prospectors to the West in search of easy riches.
The climate of the ocean may not be as harsh as once thought. Maritime archaeologists are discovering well-preserved ship wrecks. These sites are providing information about cultures, technologies, and histories of past civilizations. Part of the "Adventures of a Maritime Archaeologist" series.
How could a body of water as big as the Mediterranean Sea just disappear? It would take decades and more than a 1,000 research studies to even start to figure out all the possible causes of one of the greatest vanishing acts in Earth’s history. Part of the "Eons" series.
The Field Museum has a long history of hiring artists to help teach people about the dinosaurs and other early life on Earth. This episode features a few famous painters: Charles R. Knight, John Conrad Hansen, and Maidi Wiebe. Part of "The Brain Scoop" series.
Timeblazers Sam and Jen look back at the squalid ways of old. For thousands of years people dumped garbage wherever they liked; food scraps were simply tossed onto the floor; and, in medieval times, garbage and human waste went right into the castle moat. All that garbage attracted the rats, which, in turn, spread a terrible disease called The Plague, The Black Death, or the Bubonic Plague.
Timeblazers Sam and Jen meet some geniuses of the past, including Nicholas Copernicus, the first to map out the Solar System; William Shakespeare and his magnificent Globe Theatre; Benjamin Franklin, a great inventor, printer, and philosopher; Thomas Edison, who invented the first practical incandescent light bulb; Eratosthenes, who used a stick to figure out the size of the earth and that the planet was round; Plato, a great philosopher and thinker; Jean-Francois Champollion, who unlocked the mystery of the Rosetta Stone; Magellan, who was the first to sail around the world; and the "Renaissance Man," Leonardo da Vinci.
Astrophysicists at the American Museum of Natural History are searching through early photographs of the night sky in an effort to digitize the collection of photographs. Also in this episode, they discuss the advancement of astronomical instrumentation through the ages. Part of the "Shelf Life" series.
Every year, hundreds of millions of people voluntarily turn their lives upside down by setting their clocks forward one hour in the spring and back one hour in the autumn. This is mandated by the government and varies depending on where one lives. However, individuals are beginning to ask if the supposed advantages for springing forward and falling back still hold up? Part of the “It’s Okay to Be Smart” series.
Modern emails, pagers, faxes, and cell phones! It's all about communication with Timeblazers Sam and Jen, who travel back to test out different communication methods. The message-in-a-bottle tactic proves it could be a long wait before the tide comes in to carry the bottle to sea. It wasn't that long ago that to "log on" meant to throw a log on the fire to send smoke signals. There was the Pony Express and horse-drawn stagecoaches in the 1800s. Then came carrier pigeons, the telegraph, telephones, the Post Office, and overnight delivery.
The Timeblazers go on an adventure through the ages to see how inventions are born and how each one-big or small- has the potential to significantly alter the course of history. For example, if it hadn't been for the invention of the primitive "wheel," the locomotive wouldn't have been invented. And without the locomotives, highways, overpasses, underpasses, on ramps, off ramps, traffic lights, rules of the road, or brakes wouldn't have been invented!
Rice covers most of Asia's best agricultural land and uses vast quantities of water, two vital resources that are increasingly in short supply. With the number of people in the world rising exponentially, rice farmers will have to cultivate and harvest rice with less labor, land, and time than they have in the past. Reviews how science and technology are solving this supply-and-demand problem.
Introduces physics concepts as they relate to mechanics, optics, and electricity. Supports the learning of these concepts in tandem with the textbooks also offered by the publisher. Encourages hands-on activities.
Showing collections 1 to 5 of 5
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
Biology related concepts
A collection containing 59 resources, curated by Benetech
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
