Do you know how much water you have had in the last 24 hours? Do you know how much your body needs? In this hands-on activity, your class members will estimate how much water our bodies lose each day by filling and emptying one-liter...

In 1993, five biomedical engineers in Edinburgh, Scotland, created the first functional bionic arm. In the activity, learners explore the world of bioengineering through discussion and hands-on exploration. In groups, participants...

Construct paper tubes and then try out a few optical illusion tricks: See a virtual hole in your own hand Get a grasp of how the eyes combine images Notice that one eye is dominant over the other Reveal how your eyes adjust to...

What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of...

Compare and contrast the characteristics of fresh and salt water marshes. After exploring the typical plants and animals found in each marsh type, participants use a set of flash cards to sort into fresh and salt water marsh life. Their...

Third graders discovver what causes the dramatic colors of a sunset by seeing the changing color of light as it passes through a clear container of water to which milk is gradually added. They measure the liquids and observe what happens...

Home sweet home. Humans, birds, beavers, ants, we all need a place place to rest and keep us safe. In the ninth lesson of this series, the importance of shelter is discussed as the teacher reads aloud the book Tillena Lou's Day in the...

Many people think of bugs as annoying pests to be squashed, but most insects and spiders are beneficial, eating the actual pests or pollinating plants. After reviewing some of the common bugs in your area (they may differ from those...

At the heart of this resource is a beautifully detailed PowerPoint presentation (provided in PDF form) on the overall physical geography of Australia, basic facts about the country, Aboriginal history, and Australia culture and lifestyle.

Learners are introduced to Gaia theory of natural homeostasis. They graph Earth's temperatures over time, construct terrariums or monitor the outdoor environment. Related videos titles are suggested, but may be outdated. The objectives...

Students study biodiversity. They participate in a scavenger hunt to look for presence of wildlife and connections in nature. They create a collage about Venezuelan biodiversity in small groups and present to the class. They write a...

Students develop abilities necessary to do scientific inquiry. They develop an understanding of chemical reactions, structures and properties of matter. They develop decision-making skills in natural and human-induced hazards.

Students explore human migration. In this human migration lesson, students investigate multiple factors contributing to the growth of major Arizona cities.  Students discover the processes, patterns, and functions of human settlement.

Young scholars gain an introduction to our planet's solid waste problem and our personal responsibility in curbing and solving said problem through the use of Dr. Seuss' book, The Lorax. After hearing the book, class discussion follows.

Pupils research the impact that human activity had on Pennsylvania's water supply over time. In this water quality lesson plan, students research, discuss, and write about how Pennsylvania's water quality has been affected and what went...

Students conduct a laboratory experiment designed to investigate the effects of chemicals, soil quality and pollution on seed growth and plant yield. They consider how best to maximize agriculture in the long term.

Seventh graders work together to develop a health-related experiment to display at the school health fair. Using the human body systems, they use the Internet to research a health problem through a controlled experiment. They are...

Students explore the presence of carbon in the world. In this environmental stewardship activity, students discuss the carbon cycle after they read assigned textbook pages. Students also discuss biomass content in different parts of the...

Students study the animals that Lewis and Clark would have encountered.  In this animals lesson students study the food web and how human populations have affected them. 

Students engage in a study of the volcanic forces and earthquakes associated with The Ring of Fire in the Pacific Ocean. The people of Japan are researched in how they have dealt with living in the area. Also students write in journals...

Students participate in a series of activities designed to demonstrate the differences between symbiotic and parasitic relationships. They discuss the differences and catergorize man's relationship with nature.

Young scholars explore insects' use of pheromones and beneficial insects versus insect pests.

Students study the geography of the Mayas, Aztecs and Incas and create a map book. They share in stories and legends about these people. Handouts and worksheets are included.

Third graders examine the phases of the moon. In this moon phase lesson, 3rd graders listen to a read aloud of The Moon Seems to Change by Franklyn M. Branley and discuss the phases of the moon. They complete a moon phase calendar and...