1. Tuesday May 26 Doppler effect Warm up: What’s the best thing you did over the long weekend? NOTES Ans: 0.91 sec

2. Due Today – nothing Homework – Book WS (25-9 and 25-11)

3. Doppler effect: The apparent change in frequency due to the motion of the source or receiver Sound waves Light waves 2 minute: https://www.youtube.com/watch?v=Kg9F5pN5tlIhttps://www.youtube.com/watch?v=Kg9F5pN5tlI Adler family https://www.youtube.com/watch?v=Djz_rtnXSfYhttps://www.youtube.com/watch?v=Djz_rtnXSfY Big bang https://www.youtube.com/watch?v=z0EaoilzgGEhttps://www.youtube.com/watch?v=z0EaoilzgGE Vocab NOTES

4. Shock wave: Occurs when an object moves faster than the speed of sound. Sonic boom: The sound we hear when a shock wave occurs NOTES

6. Blue shift: – When something is coming TOWARD you, its frequency increases. This moves it toward the blue end of the light spectrum Red shift: – When something is moving AWAY from you, its frequency decreases. This moves it toward the red end of the light spectrum. NOTES