Learners study South America's Itaipu Dam and Power Plant in order to gain an understanding that hydroelectric power is a major means of generating electricity throughout the world. They also look into the environmental impacts that...

What are the issues surrounding water quality? Viewers of this short presentation gain information about the importance of clean water, the lack of fresh water, water contamination, and ways that engineers treat water. 

What kind of experiment can your class do to how observe the environment effects on organisms? Groups design and conduct lab experiments to learn about the effects of the environment on aquatic organisms. Based upon knowledge gained...

All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its...

Help your class determine the types of pollutants coming from vehicle exhaust. Groups use an air quality monitor to determine the emissions from different vehicles, to gain knowledge about combustion energy, and to predict how the...

Provide your class with the tools they need to design a research project. Groups examine case studies to gain information about the process involved in designing a research project. They use materials provided to brainstorm and develop a...

Learn more about genetic modification, organic farming, and the role of biotechnology in agriculture by watching a documentary that shows how newly gained knowledge can be applied to specific situations involving farmers and the choices...

Which modification is the best? Using the scientific method, pairs determine the effects of each control surface on the distance of a glider's flight. The activity, section 16 in a 22-part unit on aviation, allows pupils to gain a better...

Knowing the basics of drafting allows individuals to create drawings that show all the views and measurements necessary to allow others to visualize the original object. Pupils gain experience by drawing three orthographic views of...

Moving along the line. Class members research how a conveyor belt works in order to gain background information. Groups then design a conveyor belt that will carry a piece of candy four feet and along a 90-degree turn. The groups...

Have your class follow the step-by-step directions in this resource to dissect a sheep heart and gain a better understanding of this amazing organ. Working in small groups, pupils look for specific parts of the heart during their...

Get some laparoscopic training without the pain with an activity that challenges class members to find out what it is like to perform laparoscopic surgery. Teams perform three different tasks and quantify their performance. The...

Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply. 

The liquids did not mix — so what do density columns have to do with it? The seventh part in a series of nine provides the theoretical explanation of why density columns do not mix. The lesson covers the topics related to...

How do you get started designing a product to meet your engineering design goals? Here, learners gain understanding of an important aspect of the engineering design process: background research. Through brainstorming and worksheets,...

In pairs, learners build a piezoelectric generator from readily available electric components in the second and final installment of the two-part series. Tapping the piezoelectric element produces enough electricity to light an LED....

Your class will be blown away when they build their own city tower structure! Engineering scholars partner up to plan, build, and test their own paper towers. As they build, they gain valuable design skills, learn about wind tunnel...

Pupils practice sound and recognition of letters in alphabetical sequence. They gain an understanding of letter sounds and order. They create a slide show with graphics and text. They present their slide show to the class.

Students investigate the best way to calculate the measurements of an area. In this geometry lesson, students relate a large circle to a cylinder and its measurements. They use PVC pipes to gain hands on experience as they calculate the...

Following a detailed activity and reading guide students will better grasp their reading of the book Stuart Little. They visit a series of web sites to gain a mouse's perspective then create a Mouse Movie with an iPod camera and Keynote....

Students apply computer skills to gain further insight into early exploration. They analyze the role of each explorer and evaluate their importance. Students comprehend the Chronology of Discovery and Trade of early explorers. They...

Learners categorize their private book collections as a precursor to learning the principles of the Dewey Decimal System. They use the Internet to gain a better understanding of the Dewey Decimal System.

Young scholars design and construct a gliding aircraft. They use the Internet as a research tool to gain background information about specific flight principles.