Dewey and Chemistry: The Water Cycle Revisited

Learners construct a model of the hydrologic cycle, and observe that water is an element of a cycle in the natural environment. They explain how the hydrologic cycle works and why it is important, and compare the hydrologic cycle to...

Students test water to determine the dissolved oxygen content while displaying the proper use of testing instruments while visiting water testing sites. They determine if the amount of dissolved oxygen is appropriate for the tested...

Students analyze the impact of climate variability and change utilizing a broad span of topics over a wide range of grade levels. This three lesson unit is easily adapted for the various instructional levels listed.

Students complete a KWL chart on what they comprehend about water. They complete a water activity determining how much usable water is available, and they determine the water usage in their households. Students take notes on water and...

There are actually two topics dealt with in this resource. First is the processes by which living organisms maintain homeostasis. Beginning biologists experiment with evaporation to simulate animal perspiration and transpiration in plant...

Clean up the environment with a lesson that focuses on replacing hazardous cleaning supplies with green, environmentally-friendly products. Using a dirty patch of surface as a control area, kids clean other parts of various surfaces...

A large variety of topics are given in this PowerPoint about water. Some come from a scientific point of view, some regarding recreation, some for domestic use, and others from hydroelectricity.  A teacher could choose to use this...

Go with the flow! The first video of a seven-part series about the Earth's water resources introduces learners to the water cycle. With an emphasis on cause and effect, it presents the information simply through animation. And, with the...

Students conduct a series of investigations on the unique properties of water. For this general science lesson, students explain what causes water's surface tension. They explain the different stages in the water cycle.

With so much water everywhere, how is it that people around the world don't have clean water for drinking and bathing? Part three in a seven-part series describing Earth's water resources introduces the class to the process of water...