Using the web-based lessons highlighted in this article, students learn how to pose questions before, during, and after reading nonfiction, fiction, and diagrams. This reading comprehension strategy is included in the literacy column of the magazine Beyond Weather and the Water Cycle, a free, online publication for K-5 teachers.

This case introduces students to HIV, its life cycle, treatment, and problems associated with treatment options. The case, which incorporates critical thinking skills, active learning, self-directed study, and peer-to-peer learning, was developed for use in an undergraduate upper-level biology course entitled "The Molecular Basis of Disease." It could also be used in an immunology class, a molecular evolution class, or a general biology class to introduce viruses.

This article provides a lesson plan that teaches elementary students to write poems about home using sensory language and imagery. Examples of student work are provided.

This lesson teaches the engineering method for testing wherein one variable is changed while the others are held constant. Students compare the performance of a single paper airplane design while changing the shape, size and position of flaps on the airplane. Students also learn about control surfaces on the tail and wings of an airplane.

Making predictions is a skill readers need for comprehending fiction and nonfiction. Three lessons are identified here to give young readers opportunities to make predictions about nonfiction text found in print or on web pages. The lessons are aligned with the national standards for English language arts. The article appears in the free, online magazine that focuses on the seven essential principles of climate literacy.

This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator. Grades 6-12.

In this video segment, the ZOOM cast relies on the surface tension of water to make paper clips float. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

This video adapted from the Valdez Museum & Historical Archive, explores what happened during the Great Alaska Earthquake of 1964 through original footage, first-person accounts, and animations illustrating plate tectonics.

This activity is a creative writing assignment in which first graders create poetry from scientific information about dragonflies.

This activity is an indoor/outdoor activity that incorporates both literacy and scientific observation to make an ABC book based on Antler, Bear, Canoe by Betsy Bowen. Family participation is encouraged.

In this lesson designed to enhance literary skills, students explore the debate between parents and teens over texting and interpret facts to form and support their opinions.

In this lesson designed to enhance literary skills, students explore personification as a literary device through the story of the cowbird, which is portrayed as evil in a documentary video.

In this lesson designed to enhance literacy skills, students learn about the advantages and disadvantages of the two basic forms of reproduction for the living things that practice them.

In this segment from Curious, learn about creating energy from solar rays to meet the growing energy needs of the world.

In this media-rich, self-paced lesson, students explore some of the technologies designed to detect and treat inherited diseases and the ethical debate surrounding them.

In this oral history from the Birmingham Civil Rights Institute, Frank Dukes describes his role in the 1962 boycott of discriminatory stores and businesses.

In this lesson designed to enhance literacy skills, students explore brain injuries called concussions: what they are, how they occur, the challenges in diagnosing them, and ways to protect yourself from them.

This interactive activity helps learners visualize the role of electrons in the formation of ionic and covalent chemical bonds. Students explore different types of chemical bonds by first viewing a single hydrogen atom in an electric field model. Next, students use sliders to change the electronegativity between two atoms -- a model to help them understand why some atoms are attracted. Finally, students experiment in making their own models: non-polar covalent, polar covalent, and ionic bonds. This item is part of the Concord Consortium, a nonprofit research and development organization dedicated to transforming education through technology.

The digestive system is amazing: it takes the foods we eat and breaks them into smaller components that our body can use for energy, cell repair and growth. This lesson introduces students to the main parts of the digestive system and how they interact. In addition, students learn about some of the challenges astronauts face when trying to eat in outer space.

In this lesson designed to enhance literacy skills, students explore the movement of plants, animals, and diseases that characterized the Columbian Exchange and learn how it changed the world.