Explore the Doppler Effect in this 19-minute physics lesson, focusing on its application to sound and briefly touching on its relevance to light. Begin with a qualitative description of the phenomenon before delving into the Doppler Effect equation. Learn how to apply the equation in various scenarios, including when the source and observer are moving towards or away from each other. Work through two practical examples: one with a moving observer approaching the source, and another with a moving source approaching the observer. Gain a comprehensive understanding of this important physics concept through clear explanations and step-by-step problem-solving.