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In this episode, the Standard Deviants tackle thermodynamics. The study of thermodynamics involves the conversion of energy to useful forms of power. They discuss the three laws of thermodynamics, heat engines, work processes, heat sources, and entropy. Part of the "Standard Deviants School: Physics" series.
(Source: DCMP)
More energy from the sun hits the Earth in one hour than is consumed on the planet in a whole year. Caltech chemical engineer Sossina Haile and University of Minnesota mechanical engineer Jane Davidson are working to expand the nation’s renewable energy storage capacity. Their mission is to put the heat of the sun to work creating renewable fuels from sources that don’t need to be drilled out of the ground. Part of the National Science Foundation Series “Science Nation.”
Solar power is defined as the energy produced by converting sunlight into heat or electricity. It is one of the most abundant and affordable sources of energy available. However, it is difficult to harness (and even impractical) in some parts of the world, so it is important to explore the process of converting sunlight to power. Shows three primary ways to produce solar power on a large scale: solar power–generating plants, photovoltaic cells, and solar thermal heaters.
Humanity's appetite for the earth's resources and consumer goods has led to increased levels of carbon dioxide entering the atmosphere, trapping more heat from the sun, and leading to the warming of the atmosphere. Argues that action could and should be taken at both international and political levels. Also addresses the question of what each individual can do to reduce his/her use of nonrenewable energy sources and lower each personal "carbon footprint" on the planet.
Caveman Zog wonders where does energy come from. As a caveman living long ago he knows that light and heat energy can come from the sun or burning firewood. But now he travels through time to learn that in our world we have many other sources such as oil, coal, natural gas, geothermal, nuclear, falling water, wind, and solar cells, and how some of these are used in power plants to turn generators to make electricity.
The transfer of heat is one of the fundamentals of scientific inquiry. Using numerous examples of how heat transfer is used in everyday life, this program takes students on a journey through the mechanisms and practicalities of heat transfer, clearly explaining the mechanisms of conduction, convection, and radiation and introducing the concept of thermal capacity of an object.
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.
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.
Friction always creates heat. Brakes and tires depend on friction to work, but friction can also damage a car's mechanics. For example, the engine is susceptible to the heat caused by friction, and mechanics devise ways to protect against friction while trying to get the greatest amount of horsepower without damaging the car. Part of "The Science of Speed" series.
The Standard Deviants start off with the concept of heat transfer. Students learn how much energy it takes to raise the temperature of a substance. This episode also discusses how matter changes state. Part of the "Standard Deviants School: Physics" series.
The United States Geological Survey (USGS) conducts research on the desert tortoise in the Mojave Desert with the hopes of allowing the species to recover and escape the threat of extinction.
The goal of this research is to determine the mechanisms underlying predatory and defensive behavior guided by an extraordinarily novel sensor in snakes. Pit vipers, pythons and boas possess special organs that form images in the brain of the thermal environment, much like vision occurs in the human brain. Thus, these snakes see heat, and this amazing system is the most sensitive infrared detector on Earth, natural or artificial. A better understanding of infrared-based thermal imaging in snakes is important not only for understanding complex behavior in these highly efficient predators, but also for understanding the evolution of imaging sensors and the behaviors they support in other animals including people. Part of the National Science Foundation Series “Science Nation.”
A key to building denser, stronger materials that won’t fail or fracture under extreme conditions is the manufacture of ultra-high temperature, or UHT, ceramics. UHT ceramics can withstand highly extreme conditions, such as the heat coming out of a rocket as its launching into space. Part of the National Science Foundation Series “Science Nation.”
This demonstration uses a water balloon to show how Earth's oceans are absorbing most of the heat in the atmosphere. The trapped heat in the ocean is warming the planet. Part of the “DIY Space Classroom Activities” series.
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.
The Magic School Bus is an award winning animated children’s television series based on the book series of the same title by Joanna Cole and Bruce Degen. It is notable for its use of celebrity talent and being both highly entertaining and educational. "Where did the hot go?" wonders Arnold when he finds that his hot cocoa has cooled. In response, Ms. Frizzle whisks the class to the Arctic. What's the freezing Arctic got to do with heat? While the kids try to find out, the bus's engine freezes and the bus floats away. As the bus moves away, so does the heat from everyone's body. How can Ms. Frizzle's kids insulate their body to keep the heat in?
Clearly shows the environmental impacts of both renewable and nonrenewable energy sources. Provides an overview of numerous renewable energy sources, how the energy is collected, and the pros and cons of renewable energy. Also explores what is happening around the globe with the introduction of wind farms, wave parks, and solar farms.
Fire is an ever-present danger in the world of NASCAR. Drivers are protected by fire-resistant Nomex fabric. These firesuits help keep the drivers safe by decreasing the rate of heat transfer. Part of "The Science of Speed" series.
Plate tectonics describes the large-scale motion of large and small plates of the earth's lithosphere. As the plates slide past one another, they create friction and heat. The tension caused by the friction of heat is released either through earthquakes or volcanoes. Part of the "Earth Science" series.
Our Sun is a nuclear reactor converting hydrogen to helium continuously. X-ray and telescopic images reveal the Sun's photosphere and chromosphere, sun spots, solar flares and winds, and prominences. Describes each and its impact on Earth. Covers some of the Sun's mysteries, and projects what will eventually happen to our closest star.
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