A student performs an experiment by ringing a bell in the air and in a pool and measuring the time it takes for a friend to hear the bell. In one or two sentences, make and justify a hypothesis on which medium the friend would hear the bell the fastest.
2 answers
The hypothesis could be that the friend would hear the bell faster in the air compared to in the pool, as sound waves generally travel faster through air than through water due to differences in density and elasticity.
make it like a 5th grader would for a portfolio