uestion.
7. Have you tried to train your ears? How?--and why? 8. Find out about
some business, or occupation, in which it is necessary to have very
keen hearing, and write a little story about it.

III. SEEING AND READING. 1. Are you seated now in the best way for
reading or not? Why? 2. Why is it well to look up often, as you read?
3. How far from your eyes ought you to be able to hold this book to
read it easily? If you cannot, what should you do? 4. Draw a picture
of someone's eye, as you see it, naming the parts. 5. Draw a picture
of your eye as it would look if you could see the eyeball from the
_left_ side, and name the parts. 6. What takes the sight message to
the brain? 7. How does the nerve of the eye (the _optic nerve_) get
its messages? What, then, is _light_? If the light waves enter the
ear, can they make you hear? Why not? 8. When a baby is born, what
care should be taken of its eyes immediately, and why? 9. Have you
ever played any games in which the sharpest eyes won? What were they?
10. Write a little story about the picture on p. 59.

IV. A DRINK OF WATER. 1. Why do we want to drink water? How would you
know that your body must have a great deal of liquid in it? 2. Do you
know where the water you drink at school comes from? If you don't, try
to find out; and find out also just how it is brought to the school
and why it flows up to the faucets. 3. If you get drinking water from
a well, either at home or at school, tell where this well is--how near
the house or the out-buildings. Do you think that any waste from these
buildings could drain into the well? Why? 4. At your sand table or
from a sandpile in the yard, lay out a farmyard, showing where the
house, the barn, the chicken yard, and the pig-sty, also the privy
vault, are. Now locate the well so that it cannot receive drainage
from any of these places. 5. What is the danger in using drinking
water from a stream? 6. How could the germs of typhoid fever get into
the milk we drink? 7. What do we mean by _fermented_ drinks? Name
some. What is in these drinks that is so very harmful?

V. LITTLE COOKS. 1. Do you bring luncheon to school? What do you like
to have for your luncheon? Talk about this in class with your teacher,
and find out what things are best for school luncheons. 2. How is your
luncheon packed? Why ought it to be neatly done? 3. How long do you
take for luncheon, or for dinner at home? Is this time enough? 4. What
do you do right after e