Understand the life cycle of a eukaryotic cell.

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

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...

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.

These microscope activities provide students with lots to explore. Activities include the characteristics of living things, math in science, cell biology, genetics, physiology, and mitosis.

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. For this lesson, students will learn how scientists use multiplication to estimate animal populations. Included in the lesson are a detailed plan, background...

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...

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

By using a hands-on activity,the learners will learn about the Life Cycle of the Angiosperms. Students will learn about the female and male parts of a flower. This would be a great activity to follow a unit on reproduction in flowering...

This is a hands on lesson in which learners will explore their local community to identify living things. It can be used as part of a unit on biodiversity and energy transfer within a biology, zoology, or environmental science course, or...

Cooperative learning groups and chain links are used to find the mean, median, and mode. A Science NetLinks instructional activity is linked for further real-life application in the world of baseball (optional). This lesson plan was...