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...

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...

Potassium permanganate, containing manganese one of the transition elements, has many uses such as mouthwash and propelling rockets, making it is a very diverse compound. The lesson delves into such transition elements and...

Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...

Statistically speaking, the content covers several grades. Featuring all of the statistics typically covered in a college-level Statistics course, the expansive content spans from sixth grade on up to high school. Material...

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. 

It's all systems go for learning about hydraulic systems. An eBook provides a set of videos and exercise questions for a semester-long course on hydraulics. Six units introduce hydraulics, Pascal's law, hydraulic applications, flow...

This traditional textbook style unit includes vocabulary, a direct explanation section, examples, practice problems that directly line up with the explanations and examples, and a unit summary review and practice problems. Learners get...

A 44-page booklet with many different lessons, booklets, games, and templates that enhance learning about plants.

Join Science Companion author Belinda Basca and her family as they explore the land forms in Hawaii from a helicopter! Includes suggestions for teacher lessons, student activities, and web resources.

Get an overview of applied science where people use and apply information obtained through basic science.

Explore some different areas of study in the life sciences.

Explore the science of breathing.

Understand the science and ethics behind human or animal cloning.

Students learn about thermodynamics and enthalpy through practice problems and examples in this chemistry lesson.

Review the safety precautions while performing scientific investigations.

Explore the process of doing scientific investigations.

Understand primary and secondary ecological succession, and their importance to ecosystems.

Learn how energy is transferred along a food chain.

Learn how energy is passed along through living things in a food chain and web.

Learn the difference between consumers and decomposers in the ecosystem.

Understand the role that producers play in the ecosystem.

Understand Earth's biosphere which contains the lithosphere, hydrosphere, and atmosphere.

Learn about the Nitrogen cycle, and understand how it affects the ecosystem.