Students create posters that show how a shark is a major predator in kelp forests and coral reefs after studying the food webs for these ecosystems. They determine that fish are important animals in the ocean's web of life.

Students investigate how a population of fish multiplies in an ecosystem and the kinds of things that must be done to maintain a healthy population balance with other organisms that live there. They conduct an experiment to test the...

Students investigate solar energy. They explore ways that energy from the sun can be turned into energy that humans can use in our everyday lives. In various experiments, they explore the effect of clouds and dust on photovoltaic energy...

In this where do plants get their food worksheet, pupils design an experiment that will disprove the idea that plants obtain their food from soil. Students will set up their experiment and design a data table that will record data over a...

Students experiment with methods of water conservation. In this water conservation lesson, students explore the importance of water for plants and animals in a desert biome.

Students experience a computer based applet that explains why the Earth experiences tides.

Students research on the history of adhesives. In this science instructional activity, students select one test to use in finding the stickiness of adhesives. They collect data and formulate a conclusion.

In this earth science instructional activity, students identify and experiment how hot water gets in a solar water heater. Then they respond to four short answer questions that follow related to the experiment.

Students conduct an experiment to demonstrate the effects of different fishing methods.  In this commercial fishing lesson students create posters and public announcements to share their information.

Students describe and review the stages in the water cycle. In groups, they build their own models of the water cycle and demonstrate where the water goes in a closed system. They answer discussion questions after the experiment to end...

Students participate in an after school program that promotes communication with others, solving problems, and making decisions. They experience getting in touch with themselves, about cats, training cats, showing cats and explore...

Students investigate the chemistry of water and how its molecular structure supports life through its biochemcial, physical, and environmental roles. They investigate the quality of water as it interacts with the environment. Students...

Students measure oxygen percentages in room air and air exhaled after they perform various activities. They explore various websites, and record and analyze the data from the experiments.

Students in a special education classroom examine their relationship with the environment. As a class, they examine the concept of a web of life and create their own classroom ecosystem. In groups, they record their observations and...

Students experience an example of bias in science dealing with women and gender.

Students explain basic principles of aeronautics such as gravity and lift. In this How Things Fly lesson, students visit the interactive, hands-on How Things Fly gallery at the Smithsonian. Students perform three experiments that...

In this Land of No Trees worksheet, learners read a passage titled "Land of No Trees" about the Arctic Tundra and complete an experiment and short answer questions about it. Students complete an experiment with a plastic container, soil,...

Students examine plants. In this hands-on science lesson, students visit the Royal Botanic Gardens, the Eden Project, and Nature's World online or in person to investigate plants and gardens.

Learners discover how the position of the Sun, Moon and Earth affect tides. In this science lesson, students view a presentation about the tides. Learners discuss the different types of tides.

Students investigate how robots are used in space. In this space science instructional activity, students participate in an experiment using a blindfold and complete assigned tasks. The students demonstrate how robots are "thinking"...

Students create their own gems using a simple experiment and learning process in class.

Students perform an experiment to find out if plants grow best when grown in soil with no fertilizer, with chemical fertilizers, or with compost that they have made themselves. Students discover how agriculture practices can benefit the...

Seventh graders investigate the concept of polymers. They discover unique properties and how polymers are natural. The lesson contains sufficient background information for the teacher. Students examine different types of materials and...

Students explore the placebo effect, thus producing the positive effects of acupuncture without needle insertion. Students discuss echolocation. They participate in hands-on/minds-on activities in reflected sound waves. They...