Student teams design and build solar water heating devices that mimic those …
Student teams design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. In this activity, students gain a better understanding of the three different types of heat transfer, each of which plays a role in the solar water heater design. Once the model devices are constructed, students perform efficiency calculations and compare designs.
This NASA video reviews the role of the sun in driving the …
This NASA video reviews the role of the sun in driving the climate system. It uses colorful animations to illustrate Earth's energy balance and how increased greenhouse gases are creating an imbalance in the energy budget, leading to warming. The video also reviews how the NASA satellite program collects data on the sun.
These videos capture how the sun warms the Earth with support materials …
These videos capture how the sun warms the Earth with support materials for teachers and students. Students will make observations to use as evidence that sunlight warms Earth's surface.
This short animation compares graphs of the natural variation in the sun's …
This short animation compares graphs of the natural variation in the sun's energy striking the upper atmosphere vs global surface temperature over a 30-year period to make the point that natural variations do not account for the rising trend line in surface temperatures.
This classroom activity is aimed at an understanding of different ecosystems by …
This classroom activity is aimed at an understanding of different ecosystems by understanding the influence of temperature and precipitation. Students correlate graphs of vegetation vigor with those of temperature and precipitation data for four diverse ecosystems, ranging from near-equatorial to polar, and spanning both hemispheres to determine which climatic factor is limiting growth.
This animation demonstrates the changing declination of the sun with a time-lapse …
This animation demonstrates the changing declination of the sun with a time-lapse animation. It shows how the shadow of a building changes over the course of a year as the declination of the sun changes.
This activity teaches students about the albedo of surfaces and how it …
This activity teaches students about the albedo of surfaces and how it relates to the ice-albedo feedback effect. During an experiment, students observe the albedo of two different colored surfaces by measuring the temperature change of a white and black surface under a lamp.
In this activity students download satellite images displaying land surface temperature, snow …
In this activity students download satellite images displaying land surface temperature, snow cover, and reflected short wave radiation data from the NASA Earth Observation (NEO) Web site. They then explore and animate these images using the free tool ImageJ and utilize the Web-based analysis tools built into NEO to observe, graph, and analyze the relationships among these three variables.
EME 812 explores the main physical principles of core solar energy conversion …
EME 812 explores the main physical principles of core solar energy conversion systems, including direct power conversion photovoltaics, concentrating photovoltaics (CPV), and thermal conversion to electricity via concentrating solar power strategies (CSP). It also covers the fundamentals of enabling technologies such as light concentration, solar tracking, power conversion cycles, power conditioning and distribution. Learning in EME 812 relies on analysis of design and performance of existing solar plants that have been deployed in areas such as the southwestern USA, Spain, and North Africa.
This is a short NASA video on the water cycle. The video …
This is a short NASA video on the water cycle. The video shows the importance of the water cycle to nearly every natural process on Earth and illustrates how tightly coupled the water cycle is to climate.
Children use a toaster to generate wind and compare the appliance's heat …
Children use a toaster to generate wind and compare the appliance's heat source to Jupiter's own hot interior. They discover that convection drives wind on Jupiter and on Earth.
This video provides history on product development by General Motors and other …
This video provides history on product development by General Motors and other industries that led to the release of Chlorofluorocarbons (CFCs). It explains the connection between global warming and the ozone hole, chemical build-up in our lower and upper atmospheres, the increase in GWP gases, increased air quality ozone alerts and the 1987 Montreal Protocol that banned the use of CFCs globally.
This animated video outlines Earth's energy. The video presents a progression from …
This animated video outlines Earth's energy. The video presents a progression from identifying the different energy systems to the differences between external and internal energy sources and how that energy is cycled and used.
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