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Energy comes in many different forms. Real-life examples differentiate between potential and kinetic energy and demonstrate the different forms of energy. This video highlights mechanical, thermal, chemical, electromagnetic, sound, and nuclear energy.
(Source: DCMP)
This video describes the five main forms of energy and how to differentiate between them. Students will learn how to calculate potential and kinetic energy. Everyday examples illustrate the impact of energy on daily life. Other topics covered include chemical energy, nuclear energy, electromagnetic energy, heat energy, mechanical energy, and the law of conservation of energy.
What would you think of powering a car using a water fuel cell, a home furnace powered by permanent magnets, or a self-driven electromagnetic engine with enough power to put a spacecraft into orbit? This is all energy that humans wouldn't have to pay for and that wouldn't pollute the earth. Not only would free energy change the world, but it would end human dependence on having to use so much of the world's fossil fuels.
Adabot learns about electromagnetic energy with the help of a new friend, Mr. Heinrich Hertz. Part of the "Circuit Playground" series.
Students will learn how light is measured. Visual diagrams and hands-on experiments help students understand how light works. Important terminology includes wave, electromagnetic spectrum, wavelength, energy, reflection, lens, and prism.
Part of the "A 3-D Demonstration" series. Explores the basic principles behind the operation of AC and DC motors. Explains how one or more fixed magnets, either permanent or electromagnetic, can cause linear movement or rotation of a current-carrying wire. A hand rule is developed to predict motor force. Motor torque is explained as a prelude to the practical design of a direct current motor. Specific modules include Motors and Magnets, Current and Magnet Interaction, Left-Hand Rule, Motor Force, Motor Torque, and DC Motors. Correlates to all National CTE Organizational Standards (including the provisions of the Perkins Act).
A wave carries energy from one point to another through a medium. Types of waves include light, sound, electromagnetic, mechanical, transverse, and longitudinal. Explores a wave's characteristics, such as amplitude, frequency, and wavelength. Also presents the four ways waves interact with mediums. Defines terminology as it is introduced. Quiz after summary.
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.
Teaches caveman Zog that people use energy in one of two main ways: by moving heat from one place to another (conduction, convection, or radiation) or by transferring energy from one form to another by using an appliance, like a lamp or car. Appliances always waste some energy, and Zog learns why energy efficient appliances are the best choices people have today. As only a caveman can, Zog provides plenty of laughs along the way to finding clever and complete answers to elementary energy questions.
Introduces caveman Zog to energy of movement and stored energy. Working with inclined planes, springs and a bouncing ball, he learns about both kinds of energy and how each kind of energy can be changed into the other. Also, he learns how chemical potential energy is used to create heat, mechanical power, light and electricity.
Energy is all around and in many forms. Real-life examples of energy provide relevance and meaning to students. Special emphasis is paid to heat energy and how it can be measured. Concepts and terminology explored include energy of motion, light, sound, electrical energy, heat, and thermometer.
On the windswept tarmac of the former Alameda Naval Air Station, an inventive group of scientists and engineers are test-flying a kite-like tethered wing that may someday help revolutionize clean energy. Students explore the potential of wind energy and new airborne wind turbines designed to harness the stronger and more consistent winds found at higher altitudes.
Students will explore how molecular movement is related to temperature, and how temperature can be measured. Important terminology includes thermometer, thermal energy, kinetic energy, potential energy, energy conversion, molecules, and heat.
Explains the science behind the workings of a nuclear power station. The basic version explores what fission is; the role of cooling water in nuclear reactors; the nuclear fuel cycle on mining, milling, enrichment, fabrication, and spent fuel on storage and reprocessing; and other uses of nuclear energy, including "non-power" uses. The advanced version expands on this information with a specific example of a fission reaction; the use of water to vary reactor power; different methods of mining uranium; a detailed discussion of enrichment, including structure and properties of uranium hexafluoride; and two methods of enrichment: centrifuging and gas diffusion.
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.
Part of the "Inside the Living Cell" series. Illustrates the mechanisms of photosynthesis and cellular respiration. Introduces adenosine triphosphate, or ATP, the universal energy carrier molecules that supply energy-hungry reactions. Also outlines the structure and function of chloroplasts and mitochondria, energy transforming organelles. Overviews ATP and chemical energy, mitochondria, aerobic respiration, chloroplasts, and the reactions of photosynthesis.
Professional remodeler Danny Lipford offers practical home improvement information to homeowners. Discusses products and ideas for saving money on energy bills: caulking, expandable foam sealant, weather stripping, thresholds, insulated socket sealers, attic and window insulation, water heater blankets, and compact fluorescent light bulbs. Looks at using a flexible wheelbarrow screen for sifting rocks from soil. Talks about Dremel cordless tools. Gives reasons why homeowners should use mulch.
Harnessing energy from the waves of the world’s oceans seems like the ultimate in renewable fuel. With funding from the National Science Foundation, Electrical engineer Annette von Jouanne is leading efforts to capture wave energy, by creating simple, powerful devices that can withstand heavy winds, monster waves, and corrosive salt water. Oregon State University research now underway is based on ocean buoy generators. As ocean swells hit the buoy, electrical coils inside move through a magnetic field, inducing a voltage, and creating electricity.
Join Dr. Knowledge as he takes young viewers on a fast-paced adventure to learn about energy and electricity. Shows what tools, appliances, factories, and everything from iPods to airplanes have in common. Each needs energy to do their jobs. But, where does that energy come from? We know we can get our power from a wall outlet, but that's only the beginning. Dr. K and the Inquisitive Minds team trace the electricity from the wall through the power grid to its source.
Learning to incorporate a variety of eco-friendly energy sources into businesses and homes will make Earth a better place to live. Students explore photovoltaics, the design behind wind turbine technology and the creative processes behind vehicles in the American Solar Car Race. Zero energy houses of the future will use many of these technologies to produce more energy than they consume. Renewable energy technologies are important for the future of our planet.
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