Wed 28 Jan, 2015 03:14 pm - I guess I was just assuming the amount of air would have been affected because the name of the project is "Outer Space, The Silent Frontier: An Experiment on Sound Waves." The objective... (view)
Thu 22 Jan, 2015 07:56 pm - Thanks for the website. He understands that as air decreases the loudness of the sound decreases. I'm thinking the changes were to subtle to notice by the human ear. I guess our main question... (view)
Mon 19 Jan, 2015 06:45 pm - My son is working on a science project on how decreasing and increasing the amount of air affects sound. He is in the 3rd grade. He knows that decreasing the amount of air in a container should... (view)
