Slow the spread of disease by slowing disease carriers in their tracks. Learners explore just how they might accomplish this as they experiment with the life cycle of a mosquito under different conditions. Scholars design and conduct...

Planning a unit on simple machines? Save some time and energy with this collection of lessons and activities that explores how these devices are used in the real world to make life a little easier. 

To observe preservation techniques firsthand, learners dry a flower in sand and compare cucumber slices soaked in salt water for a week with slices left out to dry in the open air. Video resources (not attached) include one about mummies...

Young ecologists explore the Aswan Dam in Egypt via the internet. Each collaborative group is assigned a specific article about the ecological impact of the dam. Then they prepare a presentation to share with the rest of the class. Some...

Sixth graders investigate ancient civilizations by creating a research project.  In this world history lesson, 6th graders investigate historic civilizations developed close to important rivers of the near East.  Students...

Fourth graders use their knowledge about fossils to arrange fossil pictures in sequence from oldest to youngest. They explain how fossils can be used to make inferences about past life, climate, geology, and environments and discover...

Students read about the history of farming with the use of scarecrows and then sort clothing, build scarecrows, write descriptions, and more. In this scarecrows lesson plan, students also play a game called Garden Tag.

Fourth graders act as paleontologists and attempt to figure out the environment where various fossils would have existed. They explain how fossils can be used to make inferences about past life, climate, geology, and environments.

A great multi-media National Geographic site including video and audio clips all about crocodiles. There are fun facts and you can send a post card to a friend.

As annoying as mosquitoes are, they are an essential part of the web of life. However, they also carry and spread diseases that can kill people. See how scientists are researching mosquitoes to help control the spread of these diseases.