Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.

Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.

Students demonstrate effects of waste on environment and ways of reducing it, observe how much packaging goes into bag lunches each day, and survey their families to assess awareness levels and household recycling practices. Lessons all...

Scientists define and discuss decomposition, and watch pumpkins decompose and return to soil in classroom experiment. They record the date the experiment began, chart changes in pumpkins on a calendar, count how many days it takes...

Students identify the four basic natural resources. They distinguish bettween renewable and non-renewable resources. Pupils recognize that all natural resources are needed by living plants and animals. Students list consequences for...

High schoolers conduct a survey of society's typical purchasing practices to determine the influence of packaging on consumer choices and to determine if consumers consider waste disposal and recycling when making purchasing decisions.

Students describe the characteristics of wetlands and identify their ecological functions. They inspect items and use them to create metaphors about wetlands.

Here is a fine lesson for fifth graders that will give them an idea of the variety of impacts that human-introduced pollutants have on the environment. After an initial class discussion and teacher-led demonstration, pupils brainstorm...

Learners compare the digestive systems of the buffalo and of the zebra, diagram their systems, and compare their lengths. In this digestive system lesson plan, students learn about their diets as well.

What should go in the trash, and what can be composted? Guide your young conservationists through the process of composing their trash with a instructional activity about the different ways we can dispose of garbage. Using a trash bag...

The concept of a how pesticides and other chemicals pass through a watershed can be difficult for younger learners to grasp without a concrete example. In the activity here, some blank paper, markers, and a spray bottle are all you need...

Young scholars create a model of the digestive system. In this human anatomy instructional activity the students examine features of the digestive system. The young scholars perform an experiment.

Students dissect owl pellets. In this dissecting owl pellets lesson, students discuss birds of prey and make predictions about what they may find during the investigation. Students tease out skull and bones and try to make a complete...

Learners investigate their environment by completing an in-class experiment.  In this ecological lesson, students define the roles of dams and how electricity is created by them.  Learners utilize plastic jugs, sand and tap...

Students investigate clams. In this clam life lesson, students conduct an experiment where they dissect clams. Students compare anatomies of humans and clams. 

Students become familiar with the products made from various plants.  For this plants lesson, students experiment with natural dyes from plants.  Students complete a list of things made from plants. Students answer...

Students discover beach life. In this beach life lesson, students visit a beach to find plant and animal species that live there. They discuss the life cycle and needs of some of these animals through a variety of activities.

Students explore decomposition. Students define and describe  components of the decomposition process. Students make a composter in a terrarium. Students record observations and changes weekly, drawing conclusions about the results...

Fifth graders participate in activities during a visit to Central Park. In this urban life lesson, 5th graders visit Central Park where they explore pond dipping, stream chemistry, and play a native plant Bingo game.

Sixth graders explain how soil and plants effect contaminated water in nature.  In this filtration lesson plan, 6th graders work in groups to test biofiltration units. Students determine which biofiltration units work best and how...

Students visit the park to observe signs of spring in the forest and pond environments.  In this field trip lesson, students explore the park for various items

Students explore the forest. In this ecosystems lesson plan, students rotate through sensory activity centers, brainstorm, and read about temperate forests.

Students define bioplastics and identify its uses.  In this bioplastics lesson, students compare and contrast styrofoam to starch peanuts after careful examination.  Students understand what biodegradeable means.

Explore nutrition and healthy eating habits with a study on youth obesity. Learners watch a PBS documentary on the obesity epidemic which discusses government programs aimed at healthier choices, as well as more localized efforts. Kids...