Science for Kids/Science
Hi. I was wonerin' if you could give a easy experiment that proves that sound travels faster in a solid than in a liquide or gass...
If you have fancy measurement equipment, you can glue microphones onto a stick of wood and a stick of metal. Whack them with a hammer and connect your measurement equipment.
Without fancy equipment, here are some ideas
If you live near a railroad track, you can go to the track with a friend and a pair of binoculars. Have the friend stand about 1/2 km down the track and hit the track with a hammer. You will have your hand on the rail and will feel the impulse if the tracks are welded. You will also see through the binoculars when he hits the rail.