This online resource provides basic information through comparison and contrast of asexual and sexual reproduction.
CK-12 Biology Teacher's Edition complements the CK-12 Biology Student Edition FlexBook.
CK-12 Biology Workbook complements its CK-12 Biology book.
CK-12 Physical Science Concepts covers the study of physical science for middle school students. The 5 chapters provide an introduction to physical science, matter, states of matter, chemical interactions and bonds, chemical reactions, motion and forces, and the types and characteristics of energy.
This resource is an overview of the eukaryotic cell cycle. It includes diagrams, a video, practice questions, a study guide, flash cards, interactive assessments, and articles on real world applications
This resource describes the four parts all cells have in common. It includes diagrams, a video, practice questions, a study guide, flash cards, interactive assessments, and articles on real world applications.
CK-12 Earth Science For Middle School covers the study of Earth - its minerals and energy resources, processes inside and on its surface, its past, water, weather and climate, the environment and human actions, and astronomy.
This resource outlines Linnaean classification and defines binomial nomenclature. It includes diagrams, practice questions, a study guide, flash cards, interactive assessments, and articles on real world applications.
This resource covers the causes of genetic mutations. It includes diagrams, practice questions, a study guide, flash cards, interactive assessments, and articles on real world applications.
This resource introduces phylogenetic classification and compares it with Linnaean classification. It includes diagrams, practice questions, a study guide, flash cards, interactive assessments, and articles on real world applications.
This resource describes, compares, and contrasts prokaryotic and eukaryotic cells. It includes diagrams, a video, practice questions, a study guide, flash cards, and two interactive assessments.
This resource explain how different types of active transport occur and how the sodium-potassium pump functions. It includes diagrams, videos, practice questions, a study guide, flash cards, interactive assessments, and an article on real world applications.