Go Science Laboratory=Go Hospital

Why go science laboratory= to go hospital?Let me tell you the story.on that day, I and my classmate go to the science laboratory as usual. Our science teacher want us to do a experiment,is about neutralisation experiment.The result will show the liquids change colour in 1 second.The experiment is drop the dilute hydrochloric acid with burette into sodium hydroxide solution+universal indicator and shake it every second.When the dilute hydrochloric acid nearly finish to drop,we all hopeless to see the result.But, suddenly it change the colour.I am the only boy the this group,other are girl,they are so exited and they scream!Luckily ,my ear only cant to hear 5 seconds,still can hear after that and I no need go to the hospital to check my ear.Next time,i will sit far little bit away from them to save my ear.......