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The Big Bang theory is currently the most popular scientific theory for the origin of the universe. It describes how the universe emerged from an enormously dense and hot state about 13.7 billion years ago and how the universe is still expanding from that point. This theory helps scientists explain the formation of all the galaxies, stars, and planets.
(Source: DCMP)
Professor Jim Al-Khalili shows that in our quest to understand the tiny atom, we unraveled the mystery of how the entire universe was created. It's a story with dramatic twists and turns, taking in world-changing discoveries like radioactivity, the Atomic Bomb, and the Big Bang Theory. All this forms part of an epic narrative in which the greatest brains of the 20th century competed to answer the biggest questions of all-why are we here and how were we made?
As shown on the History Channel. Four and a half billion years ago, the Earth formed from dust in space to become a molten ball of rock orbiting the Sun. Travels back in time to investigate how the fledgling planet survived a cataclysmic cosmic collision with another world, how molten rock solidified to land, how our oceans filled with water, and how life arrived on Earth. Geologists study the oldest rocks on Earth and meteorites from outer space to solve the geological mystery of all--the birth of the Earth.
It was a decade of big bands and big bangs. During the Second World War, the 1940s bring some of the greatest inventions of all time. And in the peaceful years that followed, all that inventing know-how would carry on in ways never imagined. Featured inventions include: the jet engine, the computer, the microwave oven, kitty litter, and the Crash Test Dummy.
The Tennessee Aquarium in Chattanooga is a unique freshwater aquarium. Visitors learn how a river is formed, how fish live beneath its surface, and other fish facts. Showcases important world rivers and their fish. Introduces aquarium workers, food preparation, the quarantine area, and a control center. Notes the aquarium is a learning place from top to bottom.
The word "theory" is used differently in casual, everyday life than when discussing scientific matters. This episode discusses scientific theory and law. Part of "The Amoeba Sisters" series.
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on the scientific theory. Part of the Science Video Vocab Series.
How did 20th-century physics change long-held notions of light's makeup and behavior? This group of 12 concise computer-animated videos illustrates Einstein's monumental contributions to the study of light. Shows how rudimentary ideas of material wave motion yielded to more advanced concepts of electromagnetic waves by detailing Einstein's conclusions about the speed of light and his conception of time, which-given his findings on mass and energy-proceeds according to variable frames of reference. Conveys relativistic thought experiments through helpful animation, which demonstrate simultaneity, time dilation, length contraction, and relativistic mass.
Students will trace the history of chemistry and study accounts of how chemistry developed from a practical discipline into a science. This episode also presents a current, real-life application of chemistry by illustrating the process of the refining and purifying pure silicon for advanced electronics, such as cell phones and solar cells. Part of the Chemistry: Challenges and Solutions Series.
Gabriela, Manuel and Leonardo are three friends who accidentally start a rocket that takes them to space. Their journey through space takes them to different planets and strange worlds. Throughout their journey, they have the help of Maqui, an on-board computer. Maqui helps them learn about the universe. After an emergency landing, the kids arrive at a planet with rings. While visiting, they help the king reconstruct an ice ring around his planet. In this adventure, Gaby, Manuel and Leo learn how rings form around planets.
Over a thousand dinosaur species once roamed the Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about their extinction.
No organism lives forever. The length of time animals and humans live is influenced by their genes. Scientists have made astonishing discoveries concerning the role of genetics in determining life span, and this holds promise of extending the lives of animals and humans. Explains genetics, DNA, and genetic theories of aging. Illustrates the genetic processes behind cellular aging, and shows how genes affect life span. Discover the reasons why cells age and why a certain enzyme can effectively turn back the hands of our "biological clock."
Ziggy the cat has a big problem. He is overweight. Dr. Chris works with Ziggy's owner to ensure the cat’s deteriorating health is not compromised further. Then, Dr. Lisa must tend to three abandoned kittens. Part of the "Dr. Chris Pet Vet" series.
Proteins are the workhorses of cells. With support from the National Science Foundation, University of Arkansas biochemist James Hinton has been researching their structure and function for decades. Back in the 1990’s, he had a vision to study these huge protein structures in 3D and now, in cooperation with a company called Virtalis, his vision has become a reality. The new system allows researchers to enlarge the visual of a protein to room-size, so they can examine it from all angles, to better understand its structure and function. The new 3D visuals are also helping Hinton realize his other vision to better engage students in his discoveries and science in general.
Cubelets are magnetic, electronic building blocks, each with a small computer inside, that can be connected in many different ways to move around a table, follow a hand signal, turn on a light, play sounds, or do many other creative tasks. They were developed by Eric Schweikardt and his team at Modular Robotics, with support from the National Science Foundation’s Small Business Innovation Research (SBIR) program. These 21st century building blocks are meant to help kids learn about the basics of robotics while boosting their confidence to solve problems.
A humorous film that poses fundamental questions about the origins of man. Tells the story of the hunt for Bigfoot (also called Sasquatch) by four men who have been tracking this mythical creature for the last 40 years. Reveals their hardships, history, and battles to bring Bigfoot out of the woods and into the real world. Includes eyewitness accounts of sightings. Intercut with monster-movie footage.
British naturalists Charles Darwin and Alfred Russel Wallace both set out on epic adventures to study various species and their development. They gathered evidence on the variation among individual members of a species, the relationships among species, and the patterns of geographic distribution across many species. Based on such evidence, they independently came to the same revolutionary conclusions: species change over time by means of natural selection, and species descend from other species.
A black hole is a region of space having a gravitational field so intense that no matter or radiation can escape. In this episode, host Dianna Cowern leads a discussion on black holes and reviews Stephen Hawking's last paper on black holes. Part of the "Physics Girl" series.
Sea spray aerosols occur naturally in the salty ocean air, and there’s much more in each of those tiny bursting bubbles than salt. They’re bursting with ocean life, from bacteria to phytoplankton--even viruses. Because sea spray aerosols seed clouds, they affect the climate. With support from the National Science Foundation (NSF), atmospheric chemist Kimberly Prather of the University of California, San Diego, and chemist Vicki Grassian of the University of Iowa are leading a team of scientists around the country who are working to better understand what role sea spray aerosols play in weather and climate change climate models. Part of the National Science Foundation Series “Science Nation.”
Showing collections 1 to 3 of 3
Biology related concepts
A collection containing 59 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
