This week, year 4 have been observing sound waves. By making a sound next to rice balanced on stretched cling-film, the waves can be seen to bounce the rice. The louder the sound, the higher the bounce! Why not try it at home?
This week, year 4 have been observing sound waves. By making a sound next to rice balanced on stretched cling-film, the waves can be seen to bounce the rice. The louder the sound, the higher the bounce! Why not try it at home?