LE, 
THE PEAR ei 
Crush this between the thumb and finger. Can 
you say now why the pear had no pinch-sound ? 
If the slice cut for § 10 had in it any of the small 
dots, rub it between the finger and thumb and 
see whether they are hard or soft. If there 
were none, scrape a little of the pulp near the 
core and rub between the thumb and finger. 
These spots are called grit cells; do you know 
why? 
Vertical Section 
12. 
13. 
14. 
15. 
Cut a vertical section of the pear. [Alternate pupils 
do this, exchanging.]| Begin at the stem end. 
Hold the knife close to the stem and cut down, 
right through the middle of the pear. 
Notice the core and the core plates. The core plates 
look something like finger nails. 
Notice the seeds. What is their shape? In which 
direction does the seed point with its sharp end? 
Notice how the stem is fitted into the pear, and the 
long fibers that run around the core. What is 
their color in your pear? 
Notice the end opposite the stem. See how the 
little dry points really cover and conceal a small, 
