--- title: "S4P2: Sound and Light Communication (Georgia Science standard)" code: S4P2 cite_as: Georgia Standards of Excellence, Science, S4P2 subject: science grades: - grade-4 language: en canonical_url: https://georgiahomeroom.org/standards/code/S4P2 md_url: https://georgiahomeroom.org/standards/code/S4P2.md alternate_language_url: https://georgiahomeroom.org/es/standards/code/S4P2.md source_url: https://case.georgiastandards.org/ims/case/v1p1/CFDocuments/27a08dc6-416e-11e7-ba71-02bd89fdd987 source_last_changed: 2025-05-29 data_built: 2026-09-18 publisher: Georgia Homeroom, a free public-interest project of Georgia Civic Data. Not affiliated with or endorsed by the Georgia Department of Education or any school district. up: https://georgiahomeroom.org/standards/science/grade-4.md index: https://georgiahomeroom.org/standards/index.md --- # S4P2: Sound and Light Communication Obtain, evaluate, and communicate information about how sound is produced and changed and how sound and/or light can be used to communicate. - Subject: Science - Appears in: Grade 4, https://georgiahomeroom.org/standards/science/grade-4.md ## Expectations - **S4P2.a**: Plan and carry out an investigation utilizing everyday objects to produce sound and predict the effects of changing the strength or speed of vibrations. - **S4P2.b**: Design and construct a device to communicate across a distance using light and/or sound. ## Georgia Milestones coverage No Georgia Milestones blueprint cites this standard. Source: Georgia Standards of Excellence, published by the Georgia Department of Education at case.georgiastandards.org.