in the science laboratory

all the boys in the laboratory are very buse today.
they are doing their work.
look at tom martin.
he is going to do an experiment.
he has set up his apparatus.
he is ready to begin.
will stone is busy,too.
he has drawn a diagram of the apparatus that he is going to set up for his exaperiment.
the apparatus that he is now he is going to set it up and begin his experiment too.
they are studying biology.
biology is thew science of living things.
the boys are all hoping to be doctors,and biology is an important science for medical students.
philip walker has made a drawing of the skeleton of a toad,and he is going to put a label on the skeleton.
john baker has dissected a rat.
he has put a specimen of rat tissue on a glass skide and is going to look at it through a microscope.
tow op the boys are helping the scienc teatcher.
they are cleaning out the cupboard.
they have taken out all the bottles.
when they have wiped them they are going to put clean labels on them.
when they have done this, they are going to put the bottles back on the shelves.