Physical and biological factors affect everyday living. Scholars explore electromagnetic forces, motion, the rock cycle, and geological changes. They examine cells as the building blocks of life and how organisms reproduce using images...

What's the best way to ace an exam or pass a difficult class? Scholars find out using an information-packed eBook. Pupils read about learning styles, study skills, test-taking strategies, and other topics associated with maximizing...

There are many interactions among living things and their surroundings. By completing a reading, scholars learn about the Earth, the moon, and the sun and how they relate to the solar system. They also investigate the basics of physical...

Working with children and adults who have severe communication disorders presents its own set of challenges. The goal of this resource is to provide educators, parents, and guardians with research-based suggestions for how to meet these...

You'll never have to search for another worksheet again after downloading this extensive collection of Saxon math materials. With over 600 pages of example problems and skills practice exercises, this is a must-have resource...

Get up close and personal with beautiful and sometimes dangerous insects in an exciting eBook activity! Pupils practice geography skills by reading a map with the location of six different insects. Scientists read about each insect,...

From the scientific method to the function of a cell, the eBook has it all. A useful resource provides a free biology textbook with a focus on context. The text begins with an overview of the process of scientific inquiry and biology...

True passion can drive you mad. Stephen Dedalus, the main character in James Joyce's A Portrait of the Artist as a Young Man straddles many lines, including those between sanity and insanity, piety and sin, and individuality...

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...

The second volume of the Core Knowledge History of the United States ebook begins by asking young scholars to consider the impact immigration, industrialization, and urbanization had on the United States in the late 1800s. The text ends...

Volume One of the 299-page Core Knowledge History of the United States covers events from the Precolonial Period to the 1800s.

How does weather affect Earth? Learners understand the characteristics of water and make predictions about weather patterns. They recognize how water and weather affect rocks and minerals through erosion. They also learn about fossils...

The cycle of energy is important to many different systems on Earth. Scholars use questioning and observation to investigate the differences between renewable and non-renewable resources and how they relate to global changes. They...

Elizabeth Bennet and Mr. Darcy have captured the heart of readers since Pride and Prejudice was first published in 1813. An eBook version of Jane Austen's novel gives learners a chance to read about the classic characters. 

How do Earth's changes affect humans? Pupils learn about physical and chemical changes on Earth and how they lead to erosion, earthquakes, and volcanoes. Using the text, they also explore the concepts of electricity and magnetism by...

How do we interact with Earth? Scholars learn about the sun, Earth, moon, forces, gravity, and heat sources by reading a text and performing hands-on demonstrations. They also differentiate between living and non-living things using...

Are spiders related to crabs? Study the order of arthropods with a reading selection about animal diversity. It provides details about each class within the order, as well as vivid pictures and explanatory charts. 

How diverse are living things? Individuals explore topics such as cells as the foundation for life, cell division and genetics, molecular biology, and animal reproduction using an open resource Biology textbook. They learn key terms...

Review the major points about active transport.

Learn about activation energy, transition state, and reaction rate.

Explore the process of active transport.

Help kindergarteners reinforce their knowledge of the alphabet and learn sight words with the activities in this 325-page book. This workbook is designed to supplement the following Big Books: Animals in the Park: An ABC Book by Bob...

This site provides the complete etext for Stephen Crane's story, Active Service.

Choose the chapter called "Active and Passive Transport" from the table of contents for explanations, comparisons, and examples of active and passive transport. This includes an illustrative diagram.