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...

Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...

Compare and contrast eukaryotes, prokaryotes, and viruses with a chart and a Venn diagram. Beginning microbiologists consider motility, reproductive ability, DNA content, and the presence of organelles. They write short answers to...

Literature containing life cycle information is available from many sources. Several examples of this type of literature are listed below with a synopsis and sample questions for each. These examples have been taken from a variety of...

Eighth graders identify and explain what Bernoulli's Principle is and draw diagrams to incorporate Pascal. They also perform simple calculations of density, buoyancy, and fluid pressure. Finally, 8th graders describe fluid pressure in...

This is the last (18th) section of a textbook chapter on the hydrosphere. It explains what causes tides and tidal variations, describes some different types of tides, and shows on a world map where these tides occur. Includes link to a...