A Tradition of Excellence in Science Education

By providing teachers, students, and parents with a variety of science solutions, Houghton Mifflin Harcourt® is your partner in implementing the Oklahoma Academic Standards in every K–12 classroom.

Science Fusion

ScienceFusion

ScienceFusion® is a comprehensive, Grades K–8 print and digital curriculum solution that provides all the tools teachers need to engage students in exciting, inquiry-based learning at every point of instruction. This effective, research-based program is easy to implement, fun to teach, and fun for students to use.

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ScienceSaurus

ScienceSaurus

ScienceSaurus® Student Handbooks are a multipurpose and adaptable resource for a variety of classroom uses including supporting core basal or science kit programs, as well as extending literacy time. With dynamic visuals and clear explanations, ScienceSaurus offers a great way to engage students while helping to build their literacy and vocabulary.

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Science and Engineering Leveled Readers

Science and Engineering Leveled Readers

Science and Engineering Leveled Readers offers students engaging science and engineering content at appropriate levels, while helping to build confidence and a strong learning foundation. Developed by ScienceFusion authors Marjorie Frank, Michael DiSpezio and Michael Heithaus, they were written to specifically maximize student comprehension of the Next Generation Science Standards.*

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Nowicki Biology

Holt McDougal Biology

Biology is a comprehensive high school program by renowned biologist Dr. Stephen Nowicki. It provides consistent support for reading and vocabulary, real-world relevance, scientific inquiry, and preparation for high-stakes testing.

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Physics

Holt McDougal Physics

Physics is a comprehensive high school program that melds concepts and problem solving. Hundreds of animations, simulations, and investigations engage students.

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Modern Chemistry

Modern Chemistry

Holt McDougal Modern Chemistry® presents a balanced, engaging approach to high school conceptual and problem-solving instruction. It accommodates a wide range of student abilities within a general chemistry curriculum.

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Environmental Science

Environmental Science

Developed specifically for high school students, Environmental Science presents an unbiased approach to the environment, with comprehensive coverage of ecology, Earth science, health, and policy issues. Engaging online resources, hands-on labs and activities, and supportive review features help students build skills for success in science.

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Earth Science

Earth Science

Earth Science gives students comprehensive and up-to-date tools to investigate the core of the Earth and explore faraway planets. Environmental science and other cross-disciplinary connections help students integrate Earth science with other studies and improve their critical-thinking skills. The engaging, easy-to-read text and vivid images encourage students to master their science skills.

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Spectrum Physical Science

Holt Science Spectrum®: Physical Science and Physical Science with Earth and Space Science

This introductory physical science curriculum integrates chemistry, physics, Earth science, space science, and applied mathematics. Holt Science Spectrum emphasizes connections between these and their cross-disciplinary applications.

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Modern Biology

Modern Biology

A trusted textbook since 1921, Modern Biology offers a comprehensive, phylogenetic approach that presents key concepts within a historical framework to ensure students understand that scientific theories are dynamic and developed over time. The latest edition incorporates up-to-date content and integrates technology resources to enhance instruction and learning.

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Next Generation Science Standards and logo are registered trademarks of Achieve. Neither Achieve nor the lead states and partners that developed the Next Generation Science Standards was involved in the production of, and does not endorse, these programs. ScienceFusion® and ScienceSaurus® are registered trademarks of Houghton Mifflin Harcourt. Science Spectrum® is a registered trademark of Science Spectrum, and used under license by Holt McDougal. Modern Chemistry® is a registered trademark of HMH Publishers LLC.