The Doppler Effect is a really cool thing that changes how we hear sound! 🎉

When something that makes a sound comes closer to you, the sound waves get squished together. This makes the sound higher and more exciting!

But when the sound source moves away, the waves spread out. This makes the sound lower and deeper. 📉

Key Points:

• Coming Closer: Higher frequency ➜ Higher pitch 🎶
• Moving Away: Lower frequency ➜ Lower pitch 📯

Example:

• Ambulance Siren: When an ambulance speeds by, you notice that the sound changes a lot! It goes from a high pitch to a low pitch, and that shows the Doppler Effect in action! 🚑

Learning about this idea helps us understand sounds and waves better. Keep exploring! 🌊🔊