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Atomic Structure: Energy in Atoms |
Science Objects have been retired and replaced with Interactive E-books
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Atomic Structure: Investigating Atoms |
Science Objects have been retired and replaced with Interactive E-books
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Atomic Structure: Properties of Atoms |
Science Objects have been retired and replaced with Interactive E-books
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Cell Division and Differentiation: Continuity of Life |
Science Objects have been retired and replaced with Interactive E-books
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Cell Division and Differentiation: Multicellular Organization |
Science Objects have been retired and replaced with Interactive E-books
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Cell Division and Differentiation: Variation and Specialization of Cells |
Science Objects have been retired and replaced with Interactive E-books
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Cell Structure and Function: Cells – The Basis of Life |
Science Objects have been retired and replaced with Interactive E-books
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Cell Structure and Function: The Cellular Factory |
Science Objects have been retired and replaced with Interactive E-books
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Cell Structure and Function: The Molecular Machinery of Life |
Science Objects have been retired and replaced with Interactive E-books
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Cell Structure and Function: The Most Important Molecule |
Science Objects have been retired and replaced with Interactive E-books
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Cells and Chemical Reactions: Basics of Metabolism |
Science Objects have been retired and replaced with Interactive E-books
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Cells and Chemical Reactions: Cellular Respiration |
Science Objects have been retired and replaced with Interactive E-books
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Cells and Chemical Reactions: Photosynthesis |
Science Objects have been retired and replaced with Interactive E-books
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Cells and Chemical Reactions: Reaction Rates in Cells |
Science Objects have been retired and replaced with Interactive E-books
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Chemical Reactions: A World of Reactions |
Science Objects have been retired and replaced with Interactive E-books
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Chemical Reactions: Categorizing Chemical Reactions |
Science Objects have been retired and replaced with Interactive E-books
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Chemical Reactions: Matter and Energy in Reactions |
Science Objects have been retired and replaced with Interactive E-books
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Chemical Reactions: Rates of Chemical Reactions |
Science Objects have been retired and replaced with Interactive E-books
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Coral Reef Ecosystems: Ecosystems in Crisis
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Science Objects have been retired and replaced with Interactive E-books
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Coral Reef Ecosystems: Interdependence |
Science Objects have been retired and replaced with Interactive E-books
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Coral Reef Ecosystems: The Abiotic Setting |
Science Objects have been retired and replaced with Interactive E-books
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Coral Reef Ecosystems: The Living Reef |
Science Objects have been retired and replaced with Interactive E-books
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Earth, Sun, and Moon: General Characteristics of Earth |
Science Objects have been retired and replaced with Interactive E-books
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Earth, Sun, and Moon: Motion of the Moon |
Science Objects have been retired and replaced with Interactive E-books
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Earth, Sun, and Moon: Our Moving Earth |
Science Objects have been retired and replaced with Interactive E-books
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Earth's Changing Surface: Humans as Agents of Change |
Science Objects have been retired and replaced with Interactive E-books
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Earth's Changing Surface: Sculpting the Landscape |
Science Objects have been retired and replaced with Interactive E-books
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Electric and Magnetic Forces: Electric Charges |
Science Objects have been retired and replaced with Interactive E-books
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Electric and Magnetic Forces: Electromagnetism |
Science Objects have been retired and replaced with Interactive E-books
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Electric and Magnetic Forces: Electrostatics and Current Electricity |
Science Objects have been retired and replaced with Interactive E-books
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Energy: Different Kinds of Energy |
Science Objects have been retired and replaced with Interactive E-books
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Energy: Energy Transformations |
Science Objects have been retired and replaced with Interactive E-books
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Energy: Thermal Energy, Heat, and Temperature |
Science Objects have been retired and replaced with Interactive E-books
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Energy: Useful and Not So Useful Energy |
Science Objects have been retired and replaced with Interactive E-books
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Explaining Matter with Elements, Atoms, and Molecules: Characteristics of Elements |
Science Objects have been retired and replaced with Interactive E-books
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Explaining Matter with Elements, Atoms, and Molecules: Classifying the Elements |
Science Objects have been retired and replaced with Interactive E-books
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Explaining Matter with Elements, Atoms, and Molecules: Evidence for Atoms and Molecules |
Science Objects have been retired and replaced with Interactive E-books
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Flow of Matter and Energy in Ecosystems: Carbon, Carbon Everywhere |
Science Objects have been retired and replaced with Interactive E-books
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Flow of Matter and Energy in Ecosystems: Does Matter Matter? |
Science Objects have been retired and replaced with Interactive E-books
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Flow of Matter and Energy in Ecosystems: Nothing Matters Without Energy |
Science Objects have been retired and replaced with Interactive E-books
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Force and Motion: Newton's First Law |
Science Objects have been retired and replaced with Interactive E-books
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Force and Motion: Newton's Second Law |
Science Objects have been retired and replaced with Interactive E-books
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Force and Motion: Newton's Third Law |
Science Objects have been retired and replaced with Interactive E-books
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Force and Motion: Position and Motion |
Science Objects have been retired and replaced with Interactive E-books
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Gravity and Orbits: Gravitational Force |
Science Objects have been retired and replaced with Interactive E-books
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Gravity and Orbits: Orbits |
Science Objects have been retired and replaced with Interactive E-books
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Gravity and Orbits: Universal Gravitation |
Science Objects have been retired and replaced with Interactive E-books
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Heredity and Variation: Genes in Action |
Science Objects have been retired and replaced with Interactive E-books
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Heredity and Variation: Inheritance |
Science Objects have been retired and replaced with Interactive E-books
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Heredity and Variation: Mutation Provides Variation |
Science Objects have been retired and replaced with Interactive E-books
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Interdependence of Life: Agents of Change in Ecosystems |
Science Objects have been retired and replaced with Interactive E-books
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Interdependence of Life: Organisms and Their Environments |
Science Objects have been retired and replaced with Interactive E-books
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Interdependence of Life: Population Balance in Biomes |
Science Objects have been retired and replaced with Interactive E-books
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Interdependence of Life: Species Relationships |
Science Objects have been retired and replaced with Interactive E-books
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Nature of Light: Characteristics of Light |
Science Objects have been retired and replaced with Interactive E-books
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Nature of Light: Light and Color |
Science Objects have been retired and replaced with Interactive E-books
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Nature of Light: Light as Waves |
Science Objects have been retired and replaced with Interactive E-books
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Nature of Light: So, What is Light? |
Science Objects have been retired and replaced with Interactive E-books
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Nutrition: What are Nutrients? |
Science Objects have been retired and replaced with Interactive E-books
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Nutrition: What Choices Lead to a Healthy Lifestyle? |
Science Objects have been retired and replaced with Interactive E-books
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Nutrition: What Happens to the Food I Eat? |
Science Objects have been retired and replaced with Interactive E-books
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Nutrition: What is Food? |
Science Objects have been retired and replaced with Interactive E-books
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Ocean's Effect on Climate and Weather: Global Circulation Patterns
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Science Objects have been retired and replaced with Interactive E-books
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Ocean's Effect on Weather and Climate: Changing Climate
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Science Objects have been retired and replaced with Interactive E-books
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Ocean's Effect on Weather and Climate: Global Climate Patterns
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Science Objects have been retired and replaced with Interactive E-books
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Ocean's Effect on Weather and Climate: Global Precipitation and Energy
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Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Layered Earth |
Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Consequences of Plate Interactions |
Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Lines of Evidence |
Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Plate Interactions |
Science Objects have been retired and replaced with Interactive E-books
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Plate Tectonics: Plates |
Science Objects have been retired and replaced with Interactive E-books
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Resources and Human Impact: Earth as a System |
Science Objects have been retired and replaced with Interactive E-books
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Resources and Human Impact: Environmental Degradation |
Science Objects have been retired and replaced with Interactive E-books
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Resources and Human Impact: Population Growth, Technology, and the Environment |
Science Objects have been retired and replaced with Interactive E-books
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Resources and Human Impact: Using Technology to Address Resource Use Issues |
Science Objects have been retired and replaced with Interactive E-books
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Rocks: Categories by Process |
Science Objects have been retired and replaced with Interactive E-books
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Rocks: Cycling |
Science Objects have been retired and replaced with Interactive E-books
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Rocks: Earth's Autobiography |
Science Objects have been retired and replaced with Interactive E-books
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Rocks: Environments of Formation |
Science Objects have been retired and replaced with Interactive E-books
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Science of Food Safety: Food Safety and You |
Science Objects have been retired and replaced with Interactive E-books
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Science of Food Safety: Growth and Reproduction of Cells |
Science Objects have been retired and replaced with Interactive E-books
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Science of Food Safety: Microbes, Friend or Foe |
Science Objects have been retired and replaced with Interactive E-books
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Science of Food Safety: Understanding the Cell's Importance |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: A Look at the Planets |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: Asteroids, Comets, and Meteorites |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: Formation of Our Solar System |
Science Objects have been retired and replaced with Interactive E-books
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Solar System: The Earth in Space |
Science Objects have been retired and replaced with Interactive E-books
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Universe: Birth, Life, and Death of Stars |
Science Objects have been retired and replaced with Interactive E-books
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Universe: How We Know What We Know |
Science Objects have been retired and replaced with Interactive E-books
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Universe: The Origin and Evolution of the Universe |
Science Objects have been retired and replaced with Interactive E-books
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Universe: The Sun as a Star |
Science Objects have been retired and replaced with Interactive E-books
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Universe: The Universe Beyond our Solar System |
Science Objects have been retired and replaced with Interactive E-books
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