BROOMSTICK BASS BLUETOOTH
We found putting a bluetooth speaker inside the bowl before covering the top with plastic wrap helped a bit. We found watching the rice move easier than the salt or sugar.Įxperiment with different sounds and volumes and note how the salt moves in relation to the sound. In the case of your eardrum, it’s sending those vibrational signals to your brain instead of bouncing grains of salt like we have on our plastic. When sound waves hit your eardrum, they cause it to vibrate. The plastic acts in much the same way as your eardrum.
The louder the sound, the bigger the bounce.
The salt should bounce along the top of the plastic in response to sound. Sprinkle some salt on the plastic (or sugar or rice)Įven though you cannot see the sound waves, you can see their effect.Stretch some plastic wrap over a bowl.We’re going to see how sound waves cause vibrations and the affect this has on objects. Here’s an easy science activity with sound we can do using items you most likely have in your kitchen. Soundproofing Sound Vibrations on a Flat Surface We’ll have some fun learning how sounds waves vibrate, how we can affect the vibrations, and how this affects what we hear. Today we’re doing some science experiments with sound. Since we can’t see it, we often take sound for granted. Sound is all around us, traveling in invisible waves.