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This chapter provides a summary of the material discussed in the previous twelve chapters. Some of the topics reviewed include: the greenhouse effect, global warming, and climatic changes. This chapter also highlights the consequences associated with global warming from major cities to the rural country side. Viewers also explore ways to lessen the impact of global warming and how to adapt to the new climate conditions. Chapter 13 of Air: Climate Change 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 conditions that create the greenhouse effect, and its impact on the environment. Part of the Science Video Vocab series.
In this segment, students learn all about different types of energy found on Earth. Solar energy comes from the sun, and geothermal energy is generated and stored in the earth. Students also discuss these forms of energy and how the energy of the earth transfers heat through the convection process. Part of the "Earth Science" series.
Can superhero Bruce Rain help reduce the effects of global warming? First he has to understand the relationship between greenhouse gases and the temperature of the Earth. Dr. Mother Nature also explains how the rising temperature of the Earth impacts various environmental and ecological systems. Part of "The Science of Climate" series.
The temperature of the Earth is dropping, and superhero Autumn Ray must find a safe way to heat the planet. At first she thought the answer was to increase the amount of greenhouse gases, but Dr. Mother Nature tells her there has to be a safe balance of gases to regulate the temperature of the Earth. Part of "The Science of Climate" 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.
Chemistry is the science of interacting particles and the various states of matter. Developing a better understanding of the atomic model through experiments with gases, scientists discovered the Ideal Gas Law, developed phase diagrams, and learned about the properties of supercritical fluids. Today's chemists are exploring new ways to control the interactions of atoms, with the goal of making better hydrogen-powered cars and new technologies for the long-term, underground storage of carbon dioxide to reduce greenhouse warming. Part of the series Chemistry: Challenges And Solutions.
Scientific evidence may show that human activity, particularly over the past 100 years, has led to a buildup of what are known as "greenhouse gases," the most common of which is carbon dioxide, in the atmosphere. Energy use, particularly the burning of fossil fuels and the large-scale removal of vegetation from the earth's surface, are thought to be largely responsible for greenhouse gas buildup.
Many of our daily activities generate carbon dioxide and contribute to global warming and climatic changes. While carbon dioxide and other greenhouse gases are necessary for our survival, some research indicates that an increase in their levels may alter the climate. The increased presence of these gases can magnify the natural greenhouse effect of the atmosphere and damage the environment. However, there are steps individuals can take to decrease the impact of global warming and climate change. Chapter 1 of Air: Climate Change Series.
New research reveals that loss of sleep leads to increased anger. Researchers are now studying the link between loss of sleep and aggressive behavior. Other segments include bacteria that consume greenhouse gases, a handy robot glove, and drones mapping marine megafauna. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
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.
With today's high fuel costs, it is time to start looking beyond petroleum and into renewable resources to power vehicles. Ethanol is a clean-burning fuel derived from plants, primarily corn. It is combined with gasoline to produce a cleaner fuel that doesn't emit as many greenhouse gases as pure gasoline. Pure ethanol has not yet been approved to fuel vehicles, but it is the fuel of choice for racecars. By mixing gasoline with ethanol, fuel supply can be extended. Explores the production of ethanol and highlights the importance it holds in the "green power" movement.
As shown on the History Channel. In the remote wastes of Siberia buried under snow are the remains of one of the greatest catastrophes that the Earth has endured. 250 million years ago, huge volumes of lava spewed out onto the surface--so much that it would have buried the whole of Texas under one mile of lava. At first the temperature dipped but then the greenhouse gases that escaped from the depressurized lava caused a massive global warming. It wreaked havoc, and 95% of the species on Earth became extinct. Yet life hung on and in time this disaster paved the way for the next phase of life on earth--the age of the dinosaurs.
Water commonly exists in three different forms: ice, liquid, and vapor. The different phases of water serve as the foundation to teach students about solids, liquids, and gases. Other common everyday examples of solids, liquids, and gases are also featured. Concepts and terminology discussed include: particles, volume, shape, and temperature.
What are the differences between solids, liquids, and gases? In this program, students will investigate real-life examples of the various phases of matter. Colorful animations illustrate how these states differ based on the movement of particles. Other topics covered include plasma, crystalline and amorphous solids, viscosity, freezing, vaporization, evaporation, and condensation.
Introduces the concept that everything is made of matter, and examines the three states of matter. Defines and examines a range of solids, liquids, and gases. Uses graphics to show the effects of heat on atoms and molecules in solids. Summarizes each segment.
A teenage narrator presents general information about matter: its characteristics, qualities, properties, and states and changing states. Gives definitions and a review.
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.
Often hard-to-understand concepts of air, gases, air pressure, and layers of the atmosphere are plainly explained in this video. Concepts and terminology: oxygen, nitrogen, layers, weather, jet stream, and northern lights.
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Biology related concepts
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