Exercises in Reading Comprehension by E. L. Tibbits (In the Science Laboratory) All the boys in the laboratory are very busy today. They are doing their practical 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 it up and begin his experiment too.

1. 3 B
In the Science Laboratory
Exercises in Reading Comprehension
By E. L. Tibbits

8. You Tube Link: https://www.youtube.com/watch?v=2uCO8W5LKAQ

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14. All the boys in the laboratory are very busy today. They
are doing their practical 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 it up and begin his experiment too.
They are studying Biology. Biology is the science of
living things. The boys are all hoping to be doctors,
and Biology is an import science for medical students.
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15. Philips 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 slide and is going to
look at it through a microscope.
Two of the boys are helping the science teacher. They
are cleaning out the cupboard. They have taken out
all the bottles. 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.

16. 1. Find words in the passage that can complete these
sentences:
a. A laboratory is a place where science students do----
work.
b. They do----in the laboratory to prove that what they
have learned from their books is correct.
c. They have to set up ------ to do their experiments.
d. Medical students have to study ------.
e. They have to ----- the bodies of animals or fishes to
study the tissue.
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17. f. They put small ----- of tissue on glass------.
g. Then they study the tissue through a -----.
h. Bottles of chemicals are kept on ---- in the
cupboard.
i. The boys who are cleaning the cupboard have to
----- the bottles before they put them back.
j. They also stick clean.---- on the bottles.
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18. 2. Answer these questions:
a. Where are the boys?
b. Why are they there?
c. What is Biology?
d. What have they set up their apparatus for?
e. What kind of students must study Biology?
f. Does a microscope make things look biggest or smaller?
g. Why do we put labels on things?
h. If you take all the skin and flesh from the body of an
animal or a fish, what is left?
i. What do you see if you open the laboratory cupboard?
j. Why do the boys wipe the bottles before they put them
back?

19. 3. Put in the words needed to complete this conversation
between Will Stone and his mother:
Mrs Stone: You’re late home from---- this afternoon. Why?
Will : Oh, it’s Thursday, mother. Don’t you remember?
----- science students like myself who are in the ---- class
have an extra practical lesson the ---- on Thursday
afternoons.
Mrs Stone: Yes, I ---- now. What have you done today?
Will : I have made a ---- of the ---- of a rat with all the flesh
and skin taken from it.

20. Mrs Stone: How are you going to know what animal it is
when you look at it again?
Will : I have put a ---- on it.
Mrs Stone: What are you going to do next Thursday? Has
the teacher told you?
Will : Yes, has. Some of us are going to do an ----- to test
what we have learned from book. We need special -----for
this, and we are going to ---- it up ourselves. The others
are going to help the teacher to ----- the bottles in the
cupboard with a clean cloth. Then they are going to put
new ----- on the bottles and put them back on the ---- in
the cupboard.
Mrs Stone: are you going to do the ---- or help the teacher?
Will : I don’t know. I ---- will you that till I come home----
Thursday.

21. You Tube Link: https://www.youtube.com/watch?v=2uCO8W5LKAQ