Grade 4 Science

Chapters

11. Introduction to Science and Scientific Inquiry

22. Measurement, Tools, and Data Representation

33. States of Matter and Properties of Materials

44. Light: Sources, Brightness, and Color

55. Light: Reflection, Refraction, and Optical Tools

66. Sound: Sources, Properties, and Detection

77. Sound: Uses, Technologies, and Environmental Effects

88. Habitats: Components and Local Examples

99. Communities, Food Chains, and Food Webs

1010. Plant and Animal Structures and Behaviors

1111. Human Impacts, Conservation, and Stewardship

1212. Rocks, Minerals, and the Rock Cycle

1313. Weathering, Erosion, and Landform Change

1414. Fossils, Past Environments, and Earth's History

How Fossils Form Types of Fossils Fossils as Evidence of Past Life Reading Rock Layers Relative Age and Simple Dating What Fossils Tell Us About Environments Fossil Hunting and Ethics Famous Local and Global Fossils Limitations of the Fossil Record Connecting Fossils to the Rock Cycle

1515. Applying Science: Projects, Technology, and Responsible Use

Courses/Grade 4 Science/14. Fossils, Past Environments, and Earth's History

14. Fossils, Past Environments, and Earth's History

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Use fossils and rock evidence to infer past environments and events, and understand how scientists reconstruct Earth’s history from physical evidence.

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Relative Age and Simple Dating

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