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

Producers, Consumers, and Decomposers Constructing Food Chains Food Web Complexity Trophic Levels and Energy Transfer Predator-Prey Relationships Competition for Resources Population Changes and Limits Effects of Removing a Species Role of Decomposers in Nutrient Cycling Human Influences on 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

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

Courses/Grade 4 Science/9. Communities, Food Chains, and Food Webs

9. Communities, Food Chains, and Food Webs

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Investigate how organisms in a community are interdependent through feeding relationships, energy flow, and trophic levels.

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Predator-Prey Relationships

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