We learned about sound waves on November 11th in Sister Cheesman's classroom at PVMS. We heard music and saw how it effected a flame tube that would go up and down, showing us amplitude. The girls played chimes to see the difference in the pitch of a sound wave with a long or short medium. The long chimes have a longer medium for the sound waves to travel through, so the pitch is lower. The short chimes have a smaller medium to the sound waves to travel through, so the pitch is higher.





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