Crazy fact—freezing liquid actually gives off heat! Young scholars investigate the transfer of energy when liquids freeze using a chemical heat pack. The heat pack gives off heat as its liquid core freezes.

Facts about tigers are packed into a PowerPoint presentation about tigers. The presentation includes great photographs and accompanying text regarding the habitats, diet, lifespan, and physical attributes of tigers. Very interesting!

The earth is a delicate and fragile thing; Why not engage your class in a craft project that will make them aware of our environment? Earth Day is celebrated as recycled materials are used to create earth window hangings. Crayons are...

It's cloudy with a good chance of learning! An inquiry-based lesson begins with an exploration of transparent, translucent, and opaque materials. Young scientists then connect their learning to the different cloud types as they take the...

Learners investigate the importance of watersheds around the world. By visiting resource links, students can locate watersheds and their sources in the USA and Russia and analyze their effects on the surrounding topography. This lesson...

Students complete activities to learn about rainbows and the importance of dairy in their diet. In this sense and diet lesson, students discuss rainbow colors, the importance of sight, and the importance of dairy in a healthy diet....

Students learn about the human respiratory system. For this pollution lesson, students identify the parts of the respiratory system and what happens to them when they breathe in polluted air. Students learn about the importance of...

And so, my fellow Americans: ask not what your country can do for you—ask what you can do for your country. And so begins your invigorating, innovative learning experience in the JFK Challenge app! Learners...

Students discover the many uses of water and the sources of the water we see. They complete a worksheet about the water usage at school and at home.

Students are able to identify the areas of the world that are affected by arsenic contamination of the water supply. They are able to describe the ways in which various societies deal with the problem of arsenic contamination. ...

Middle schoolers use the Internet to study how water is treated to make it safe to drink. They use a tutorial on the U.S. Environmental Protection Agency's website to gain this information. They complete a worksheet for the assessment...

Students participate in a physical fitness activity about water. In this water conservation lesson, students discuss how to conserve water and the amount of water most people use in a day. To illustrate this amount students move 70...

Students engage in a lesson that is concerned with the establishment of a tank farm. They focus upon the issue in class discussion in the form of a mock town meeting. Students come up with possible solutions to its establishment and...

Pupils discuss the impact of not keeping the environment in balance for future generations. As a class, they are introduced to the concept of "Balance of Nature" and what it means. In groups, they research the role of trees and how to...

Students explain how pollution affects ground water. They participate in a simulation to discover the location of an illegal dump. Students explore the monetary benefits, risk and environmental concerns are factors in business decisions.

Students consider the importance of clean drinking water. They conduct a taste experiment with water, adding incremental drips of salt and vinegar to determine at which point it doesn't taste drinkable.

High schoolers identify the major health effects of arsenic contamination. They explain how arsenic gets into groundwater in Bangladesh. Students list ways to prevent arsenic from getting into drinking water. They explain why access to...

Learners explore septic system failures and contamination of groundwater. The complete a worksheet to explore the basic parts of a septic system. In a lab situation, students simulate a septic system failure. They explore coliform...

Students identify sources and importance of sound, discuss sounds heard on way to school, explain why sound waves can be "seen", and participate in various classroom activities and experiments that illustrate how sound travels.

Fourth graders use this instructional activity to focus on their health, nutrition and the state of the environment. In groups, they examine the various types of land, water and air pollutants and compare and contrast a food chain with...

In this ecosystem worksheet, learners answer questions about energy pyramids, food chains, consumers, producers, decomposers, biotic and abiotic factors in an environment, natural selection and the importance of biodiversity in an...

To better understand how solar power can aid in creating desalinated drinking water, the class creates a model still. They will build a model of a solar still, make observations, and discuss how the process works. While the idea behind...

Students examine the definition and attributes of tributaries and watersheds. They design a landscape which includes a mountain, a river, a lake and other appropriate items. They observe as the teacher pours water through the landscape...

Students identify the causes of arsenic contamination. They list the world organizations involved in ensuring sanitary water supplies. Students describe various methods to mitigate arsenic contamination.