Cells of different organs have unique cell functions. Learn how cell functions vary depending on their roles in the body using an inquiry-based activity. Scholars analyze the cell structure to make comparisons to its functions, allowing...

The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...

The New York Regents High School Examinations are comprehensive and include various question formats, including multiple choice and graph analysis. This particular version, the 2008 Living Environment exam, surveys a variety of topics....

Environmental science enthusiasts show what they know at the end of the year by taking this full-fledged final exam. They answer multiple-choice, graph interpretation, and essay-analysis questions, 73 of them in all. Topics range from...

This exam covers every topic in a typical first-year biology course. A wide variety of question styles gives high schoolers every opportunity to show what they know. Why start from scratch when a comprehensive final exam is easily...

The 2005 version of the Regents High School Examination in ecology is as comprehensive as previous years' exams. It consists of 40 multiple-choice questions on topics ranging from the structure of DNA to interactions within an ecosystem....

For this environmental instructional activity, learners complete a series of multiple-choice and short-answer questions on animal populations, cell structure, and chromosomes.

When an organism eats, how does food become energy? Young biologists follow glucose through the process of cellular respiration to the creation of ADP using a discussion-based activity. The resource also highlights conservation of mass...

A pinch of adenine, a dash of thymine and ta-da, you have life! Well, it's not quite that simple, but through this series of activities and experiments young scientists learn about the structure of DNA and how it contains the recipe...

Why do markets operate inefficiently when the world's resources are so limited? Review the various types of unemployment that exist and why some resources, especially human resources, go unused.

An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

When you have to flow, you have to flow. The lesson introduces class members to microfluidic devices and their uses in medicine. They watch a short video on how the diameter affects the rate of flow. The worksheet has individuals...

How do doctors fight a virus that's constantly mutating? Show science scholars how we fight HIV using one of its own most fundamental processes through a thoughtful demonstration. The lesson focuses on how protease inhibitors prevent HIV...

In this eighth-grade science standardized test practice activity, pupils answer 78 multiple-choice and short-answer questions to review their knowledge.

Coloring pages showcase microbes—bacteria, viruses, and protists. Scholars have the option to download a coloring book and scavenger hunt or color the page directly on the computer. Three paragraphs describe each microbe. 

Learn about plants and pollination with a learning exercise about the parts of a flower. After labeling the anatomy of a flower using a word bank, kids explain the difference between self-pollination and cross-pollination, and...

[Free Registration/Login may be required to access all resource tools.] A variety of learning opportunuties about levels of organization in the human body. Includes videos, activities, discussion questions, and quizzes.

[Free Registration/Login may be required to access all resource tools.] From basic cells to tissue to organ systems, identify and understand the structures and functions of the human body's organization.

Try considering the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere....

For this lesson, students learn about the specialization of cells to perform different functions, and how they are organized into tissues and organs in the human body.

A set of virtual experiment assignments where students investigate the biochemistry of hemoglobin and the role it plays in the functioning of human red blood cells. Includes background information, glossary, online notebook, and...

There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? The following learning module explains how humans can see everything from...

Understand the structure and function of a nerve cell, and how messages are transmitted throughout the human body.

This lesson focuses on DNA including it's structure,components,and how it goes together to form genomes. It also provides to links to a video and a test.