How Can People Save Resources?

In this second of three activities, energy engineers plan and create a hydropower dam as they learn how hydroelectric power plants generate electricity. A hydropower puzzle is also included, which can be worked on by teams that finish...

Dive into the mystery of sound waves!  Scholars brainstorm questions about how sound travels and why different items make different sounds. They then conduct experiments to answer their questions.

Third in a set of lessons regarding reservoirs, dams, and hydropower, this involves a two-day hydropower plant simulation. Collaborative groups build, maintain, and finance the plant. The transparency of the reservoir setup can be...

Need a bright idea for an engaging lab? Watch your class light up as they explore the difference in efficiency between incandescent and LED bulbs! The resource makes use of simple materials and encourages learners to infer what's...

Here's a comprehension exercise that asks readers to include direct quotes in their analysis of an article on ways to conserve natural resources.

Is it possible to have a waste-less lunch? Can your class become leaders in conservation? Discuss the importance of reducing waste during lunch time with a fun lesson that can be extended to everyday practices. First the class examines...

Soil naturally erodes and produces new soil at the same rate when left to nature, yet farming erodes the soil 50 times faster than it forms. The video discusses soil, the ways humans damage it through their actions, and encourages many...

How can nocturnal animals see at night? Bigger eyes? More photoreceptors? Use this video to discover the amazing ways animals have adapted in order to see at night.

Shocking! Share the story of electric fish with young biologists for a fascinating lesson in specialized cells. The narrator of the video describes how some species of fish generate electric current, differentiates between weakly and...

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...