Understand the life cycle of a eukaryotic cell.

See how air pollution affects human health.

Understand the ecological importance of insects, and why they are important to humans.

Explore the molecular evidence for evolution.

Learn about the structure and function of RNA in the body.

[Free Registration/Login may be required to access all resource tools.] Seedless plants can reproduce asexually or sexually. Some seedless plants, like hornworts and liverworts, can reproduce asexually through fragmentation. When a small...

[Free Registration/Login may be required to access all resource tools.] Even though plants and animals are both eukaryotes, plant cells differ in some ways from animal cells. Plant cells have a large central vacuole, are surrounded by a...

[Free Registration/Login may be required to access all resource tools.] If pathogens get through the body's first two lines of defense, a third line of defense takes over. This third line of defense involves the immune system. The immune...

In this lesson, students examine the physical characteristics of fish that live in the Great Lakes and identify common features that help species to survive in that environment. Downloadable resources include a fish poster, fish family...

In this lesson, students watch a video and animations that relate Isaac Newton's three laws of motion to baseball and apply what they've learned about these laws to another sport or other real-life situation.

This teacher website provides a comprehensive lesson unit on the structure of Earth's atmosphere and how it sustains and impacts life on Earth and its ecosystems. Includes labeled diagrams, student worksheets, a slideshow, flashcards,...

While comets were historically thought to be ill omens of war and famine, recent science has revealed that these celestial wonders actually contain amino acids, the building blocks of life on Earth. Justin Dowd explores the implications...

Students hear a story as they "find" bones that you have put in an envelope for them. Their job is to begin assembling the bones as best they can. The students will invariably come up with different configurations--just like scientists...

Mathematics has an important role in the real world outside of school. In this lesson, students will learn how scientists use multiplication to estimate animal populations. Included in the lesson are a detailed plan, background knowledge...

This in-depth site provides middle and high school science teachers with a wide array of free instructional resources, such as slide sets, streaming video presentations, and laboratory activities. Information is provided that is...

This site explains the importance of rivers in the natural balance of life on Earth, and describes what happens when people begin to tamper with rivers. This will also help students identify options for dealing with the outcomes of human...

Apply the Law of Exponential Change to solve a "real-world" science problem. Formulas and examples are provided. Great review for the AP Calculus test!

In this activity, students investigate the life cycle of an engineered product and how the product impacts the environment. They analyze a product using a simple life cycle assessment that assigns fictional numerical values for different...

A collection of links to activities and lessons that could be used for Earth science concepts including the foil record, creating a timeline of Earth's history, plate tectonics, dinosaurs, and the progression of life on Earth.

For this lesson, students will choose an organism of their choice and research its life cycle, food chain, diet, and habitat, then predict how habitat change might affect the organisms living within it.

Plants need air, water, soil, and light to grow. Students learn about plant growth and development by conducting an experiment that demonstrates the importance of light to plants.

In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.

This site provides wonderful lesson plans about dinosaurs. Seven sequenced units cover the following topics: extinction, fossils, types of dinosaurs, and the dinosaur life cycle. The site provides basic lesson and background information...

This lesson will engage students in discovery learning. Through various tasks, 6th graders will learn the characteristics and challenges in daily family life that may be experienced when living independently. Communication skills are...