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A team conducts different experiments with food substances to show the chemical reactions that take place when exposed to air, heat, or extreme cold. They provide a close up on cooking technology and food chemistry from the kitchen of a restaurant. Part of Invisible Science and Technology Surrounding Series.
(Source: DCMP)
Part of a series that features a wide variety of video footage, photographs, diagrams, graphics, and labels. For this particular video, students will focus on the parts of the Earth where water is found in its frozen, solid form, also known as the cryosphere. The cryosphere includes frozen lakes, glaciers, sea ice, icebergs, and snow. Part of the Science Video Vocab series.
With support from the National Science Foundation, researchers at Stanford University and the University of California, Santa Barbara are building soft robots inspired by vines. The team is also engineering vine robots with the ability to configure themselves into 3-D structures, such as manipulators and antennae for communication. Part of the "Science Nation" series.
The concept of propulsive thrust to move objects over large distances is ancient. Yet, the technology to move an automobile forward or a rocket into space was invented less than two centuries ago. The invention of the solid fuel propulsion system combined with Newton's Third Law is the simplistic basis for modern rocketry. Students will review the history of propulsion and explore its use as a viable energy source of the future.
Matter is made up of tiny particles called molecules. Host, Max Orbit, helps students learn all about the different properties, qualities, and characteristics of matter. He also discusses solids, liquids, and gases. Part of the "Way Cool Science" series.
Explores how studying the atom forced us to rethink the nature of reality itself, encounters ideas that seem like they're from science fiction but in fact are a central part of modern science, and discovers there might be parallel universes in which different versions of us exist and finds out that empty space isn't empty at all, but seething with activity. The world we think we know, the solid, reassuring world of our senses, turns out to be a tiny sliver of an infinitely weirder and more wonderful universe than we had ever conceived of in our wildest fantasies.
Access to affordable, sustainable energy supplies is a growing concern around the world. Looks at successful enterprises that are providing some renewable energy solutions. In Scotland, small-scale turbines put wind power within the reach of domestic users. In Sweden, the world's first train to be run solely on biogas has been developed. In Nepal, biogas stoves are improving the quality of life in many ways. And in India, agricultural-plant waste is being turned into solid fuel briquettes for use in industrial stoves and boilers, while a solar-energy company has developed environmentally friendly lighting technology that disadvantaged communities can afford.
The freezing and melting of water affects so much of the world. Ice crystals in thunderclouds create lightning. It is also powerful enough to crack boulders, float stones, and alter entire landscapes. Ice is a common substance, but it has some secrets and weird properties scientists have only just begun to understand. Part of the "It's Okay to Be Smart" series.
Pollution is waste material produced from human activities. It impacts the environment in a negative way. Explores how pollution can affect the air, water, and land in the form of gases, liquids, and solids. Substances that constitute pollution in the environment include: greenhouse gases (CO2, smog, and industrial emissions), oil, blue/green algae, plastic, litter, dog poop, and fertilizer. Also explores how a sustainable future depends upon individuals and society minimizing pollution by making informed and responsible decisions when choosing consumer items.
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 had gone to see his friend, the wise old man who lives on the other side of the village. There were such pretty flowers that Moko could spend the entire day contemplating them. The old man picked a beautiful rose and handed it to Moko. But on the way back, the sun was so hot that the flower began to wilt. Moko was so sad that he laid the withered rose on the ground and started to cry. The wind rose, sweeping across the ground. Moko then saw that his rose was still there, more beautiful than ever and sparkling, its petals solid as stone. It had become a desert rose, as rare as water in the desert.
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 and Alarick are heading back towards the village, their boat filled with fish. They moor their boat and start walking in the direction of the village. As they round the mountain they finally see the rooftops of the approaching village. Moko yells out in joy. Suddenly, a cloud of snow appears to be tumbling down the mountain like a galloping horse. Alarick and Moko take shelter under a large boulder. As the avalanche hits with all of its fury, Alarick pleads with the mountain to forgive Moko for his outburst, and it is once again calm. Moko promises to be quiet from now on and thanks his friend for reasoning with the mountain.
Solutions are uniform mixtures of molecules in which any of the phases of matter can be dissolved in another phase. Whether solids, liquids, or gases, solution chemistry is important because most chemical reactions, whether in the laboratory or in nature, take place in solutions. In particular, solutions with water as the solvent are the core of all biology. Extending the particle model of matter to solutions enables chemists to predict what will happen to a deep-sea diver who breathes different mixtures of gases or to the life forms in the ocean as carbon dioxide levels rise in the atmosphere. Part of Chemistry: Challenges and Solutions Series.
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.
Showing collections 1 to 3 of 3
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
3D models and images of the entire periodic table of elements
A collection containing 118 resources, curated by Library Lyna
Biology related concepts
A collection containing 59 resources, curated by Benetech
