Digital library
Textbooks, references and open learning resources.
External
Human Biology - Digestion and Nutrition
CK-12 Foundation · LibreTexts
The Digestion and Nutrition Student Edition book is one of ten volumes making up the Human Biology curriculum, an interdisciplinary and inquiry-based approach to the study of life science.
External
Engineering: An Introduction for High School
Dale Baker, Ed.D., Tirupalavanam G. Ganesh, Ph.D., Stephen Krause, Darryl Morrell, Chell Roberts, & Janel White-Taylor · CK-12
Introduces engineering techniques and practices to high school students. This book is designed for a broad range of student abilities and does not require significant math or science prerequisites.
External
Astronomy for Educators
Daniel Barth · University of Arkansas · 2018
Astronomy for Educators provides new and accomplished K-12 instructors with concepts and projects for low-cost, high-impact STEM classroom instruction that is built around the National Academies National Research Council's K-12 Framework for Science Education.
External
Teaching Through Rather than About: Analyzing Black Histories and Geographies with Primary Sources
Ken Carano; Amit Kobrowski · Open Oregon Educational Resources · 2025
This book aims to transform how Black histories are taught in the K-12 curriculum by emphasizing instruction through Black voices rather than about them. Using LaGarrett King’s Black Historical Consciousness framework, each chapter provides a structured, inquiry-based lesson plan incorporating primary sources, and some examples of engaging student activities. The book gives educators the tools to challenge biased narratives and create inclusive lessons that help students think critically, build empathy, and better understand Black histories.
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Analysis
CK-Foundation · LibreTexts
LibreTexts
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Precalculus
CK12 · CK12
LibreTexts
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Earth Science
CK-12 Foundation · LibreTexts
LibreTexts
External
Geometry
CK-12 Foundation · LibreTexts
Geometry is one of the oldest branches of mathematics and is concerned with properties of space that are related with distance, shape, size, and relative position of figures.
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Measurement
CK-12 Foundation · LibreTexts
LibreTexts
External
Calculus
CK-12 Foundation · LibreTexts
LibreTexts
External
Astronomy for Educators
Daniel E. Barth · University of Arkansas, Fayetteville
Astronomy for Educators provides new and accomplished K-12 instructors with concepts and projects for low-cost, high-impact STEM classroom instruction that is built around the National Academies National Research Council's K-12 Framework for Science Education.
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EDMD 6163: Internet Resources
Mohamed Ibrahim · Arkansas Tech University
In the contents: 1.2.06: Educational Games · 02: Module 02- Open Education Resources · 7.1.06: Copyright in Higher Education
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Ethical Use of Technology in Digital Learning Environments - Graduate Student Perspectives
Barbara Brown et al. · University of Calgary
In the contents: 01.1: Chapter 1: Ethical Considerations When Using Artificial Intelligence-Based Assistive Technologies in Education · 02.3: Chapter 6: STEM Beyond the Acronym: Ethical Considerations in Standardizing STEM Education in K-12
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Life Science for Middle School (CK-12)
CK12 · CK12
LibreTexts
External
Trigonometry
CK-12 Foundation · LibreTexts
LibreTexts
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Physics - From Stargazers to Starships
CK-12 Foundation · LibreTexts
An introduction to astronomy written with a historical perspective.
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Biology
CK-12 Foundation · LibreTexts
LibreTexts