Grade 8 - Science
MS:Physical Science: Sound and Light (Credit: 0.20)In this unit, students investigate the properties and interactions of waves. First they explore the nature and properties of sound waves, including loudness, pitch, and speed. Next, students examine waves in the electromagnetic spectrum, including radio waves and visible light. They learn how colors are produced, and how images are formed through reflection and refraction. Various technologies are also presented, including ultrasound, lasers, fiber optics, and wireless communication.