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

How Sound is Produced Vibration and Sound Pitch and Frequency Loudness and Amplitude Sound Travel in Different Materials Human Ear and Hearing Animal Hearing and Communication Measuring Sound Levels Sources of Noise Pollution Protecting Hearing

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

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

Courses/Grade 4 Science/6. Sound: Sources, Properties, and Detection

6. Sound: Sources, Properties, and Detection

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Examine natural and human-made sources of sound, how sound is produced and detected, and basic properties like pitch and loudness.

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Sources of Noise Pollution

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