Second graders define condensation and evaporation. They identify and describe the steps in the water cycle. They ask questions to end the lesson.

Fifth graders discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson, they review the steps of the water cycle and...

Students are introduced to the water cycle. They help draw a picture of a lake ecosystem, adding human impacts that affect water quality. Students help fill in the components of a drawing of a water system. At the end of the lesson plan...

Fifth graders explore changes in nature. They identify chemical and physical changes in the water cycle, carbon cycle, and weathering. Students explore a chemical or physical change based on a chemical formula. They examine the effects...

Students examine the effects of rainfall on different surfaces and discuss water pollution. They review the water cycle and the uses of water in daily lifestyles. Students discuss the effects of soil run off in streams and rivers.

Third graders examine the natural circulation of water from oceans, lakes, and rivers to evaporation into the air, and then to condensation to produce rain falling back to the soil as components of the water cycle.

Students discover ways to preserve the Earth's resources. In this natural resources lesson, students investigate how many gallons of water the average American uses per day and then total their estimated usage. Students discuss the...

Students explore the rain forest and where they are located. Students examine why the rain forests are important and what is happening to them. They investigate the water cycle and life cycle of a frog. Students build a rain forest in...

In this biosphere worksheet, students identify the different levels of organization that ecologists study. Students complete charts, sentences, and answer short answer questions.

Students have discussions and complete activities about the pacific salmon life cycle and marine parasites. In this salmon lesson plan, students complete activities such as observing sea lice, playing a tag game, and a board game.

Students construct a weather dial. In this weather instructional activity, students examine different types of weather and design a weather dial for use during the daily math meeting.

Students listen a variety of books on butterflies and are introduced to their life cycle. In groups, they describe the life cycle in the correct order and watch the life cycle from larva to the butterfly in a demonstration. To end the...

Students brainstorm the different characteristics of potable water. In this general science activity, students test several water samples and hypothesize which samples and brands they are. They discuss where drinking water came from and...

Students learn about the biological carbon cycle. In this carbon cycle lesson, students access the web site and mouse over the diagrams to follow the carbon cycle. They read about what happens to humans and plants during this cycle.

Students engage in a lesson plan of investigating the amount of water that is transpired in a one day cycle. They conduct research to find the purpose of transpiration and find information to explain the value to a plant and explain how...

Students examine different organisms in various marine habitats. They identify any adaptations that have allowed the organisms to survive. They develop an imaginary organism and describe its life cycle.

Students synthesize the information they have been researching on water quality to evaluate the potential health risks in a region with arsenic contamination. They prepare and present a persuasive speech that incorporates visuals.

Students discuss pollution and the steps in the hydrologic cycle. They follow a drop of water through a watershed simulation. They discover the components of a water cleaning system as well.

Students examine soil. In this earth science lesson, students define and describe weathering and erosion as it relates to soil. Students compare and contrast potting soil with forest soil and complete a science observation worksheet.

Fourth graders review the parts of the plant and their functions.  In this plant lesson, 4th graders recognize that plants must transfer energy to make food.  Students understand the interdependence of organisms in an...

Seventh graders take an outdoor observation walk around the campus and take soil samples. Working in groups , they conduct experiments with rocks and soil that demonstrate the effects of different types of erosion.

Second graders discover the needs of their body by trying different types of aerobic exercise.  In this physical education lesson plan, 2nd graders analyze The Busy Body Book by glancing at the pictures inside and predicting what...

Students explore the climate and food sources of Ghana.  In this instructional activity on climate students view diagrams of global convection and complete a convection experiment.

Students examine biodiversity and interrelatedness concepts.  In this ecology lesson plan students go on a field trip and fill out a data sheet.