Wind power blows non-renewable sources away! Why are there not more wind power plants? Science sleuths track down the reasons behind our limited use of wind energy with a video from NOVA's energy unit. The resource covers the storage and...

Scientists know wind is a renewable resource, but is it an efficient one? Scholars adjust the propeller diameter on a wind turbine, the wind speed, and the conversion efficiency within range to learn about the efficiency of these...

Can flying kites really save the world? A Real Engineering video describes an effort by the Kite Power Systems company to harness wind energy using kites. It shows how the kites overcome the disadvantages of wind turbines.

Here is a six-minute video of a pair of electrical engineers that illustrate how to build a wind turbine. A list of materials is provided, along with general guidelines for your class. Use this to introduce turbine design to your...

Two is too few, four is too many, but three is just perfect. Individuals watch a Real Engineering video to see why wind turbines typically have three blades. This requires consideration of both cost and speed of blade rotation.

Introduce the idea of wind power. Have your class make a simple weather vane with a plastic straw, tape, a pencil, and other items found in your class. This film could be used to explore wind power and alternative energy sources.

Introduce the idea of wind power. Have your class make a simple weather vane with a plastic straw, tape, a pencil, and other items found in your class. This film could be used to explore wind power and alternative energy sources.

With a variety of video clips and diagrams, the narrator acquaints the audience with three sources of alternative energy: the sun, the wind, and water. This is a homemade video created as a homework assignment, but it is well-done and...

Part one of a two-part series on renewable resources being utilized in New York is here for you. This first part focuses on the wind power farms that are popping up all across the state. There are many more than you might imagine. The...

If renewable energy sources are the best option, why aren't they used on a global scale? Junior environmentalists explore the benefits and problems associated with energy sources such as solar, wind, and biomass with a short video and...

Renewable energy originally found application more than 790,000 years ago. A relevant and engaging lesson explains some of the current options for renewable energy. Technology changes quickly and many different options provide hope for...

For this polyphase power systems worksheet, students answer 14 questions about three-phase power systems and single-phase power systems and how they work.

A single slide introduces each of the following renewable energy sources: hydroelectric, wind, geothermal, solar, tidal, and biomass. This provides a succinct overview that you can use as a visual aid when you first introduce alternative...

Is flipping a switch and lighting up a room normal or miraculous? It depends where—and when—you live. Crash Course World History covers historical uses of energy, current uses of energy, and the possible future uses of energy with an...

How hard is it to incorporate renewable energy resources? An informative video first describes renewable energy, such as hydropower, wind energy, geothermal energy, and solar power. It then explains the benefits and the challenges of...

Did you know that natural gas is the cleanest burning fossil fuel? The cost of processing natural gas is significantly less than processing even nuclear and wind energy. In this fast-moving, upbeat video, viewers learn about the benefits...

Surf's up! What causes the constant motion of Earth's oceans? Scholars discover the origins and types of waves in part nine of a 13-installment series. The resource illustrates wave behavior, their destructive power, and current research...

Clean, renewable energy is there for the taking ... how do we save it until we need it? A short video, part of an energy unit from NOVA, discusses the challenges of creating and storing electrical energy efficiently. The narrator...

Science scholars watch as the recent Democratic presidential nominees respond to an animated video. The video highlights recent natural disasters and long-term changes to our weather patterns, then shows how the candidates planned to...

Take your students on a storm chasing adventure from the safety of the classroom with this short video on tornadoes. From powerful thunderstorms to swirling twisters, this resource explains the necessary conditions and process...

Continue the journey into the world of physics as you lead your class on a winding road complete with vectors and scalers. Pupils learn more about motion, direction, and velocity as they use these concepts to explore two- and...

Energy is the latest buzz word. Help your class understand the truth behind the hype as they view the video segment and learn the difference between nuclear and solar energy, LED and fluorescent bulbs, and kilowatt hours. They learn the...

You definitely don't want skyscrapers to sway too much. An informative video discusses statics and dynamics, equilibrium, forces, and torque. It uses the Citicorp Building as an example to illustrate the danger of quartering winds and...

On a bold, computer-generated animation of a landscape appears a city, power plants, wind turbines, and smaller, decentralized combined heat and power (CHP) plants. The intent is to show how CHP plants can be incorporated into the energy...