Material 
THE PLUM 
Two blue plums per pupil. If possible get plums with stems on. Pins. 
knives; bits of blotter; hammer. 
Laboratory Work 
1. Examine a plum and notice — 
a. 
eh 
g. 
. ee 
Color. 
Shape. 
Size. 
The stem (if present). 
The small hollow, or depression, at one end where 
the stem is attached. 
The small spot, or point, at the end opposite the 
stem. 
The line, or groove, on one side of the plum, that 
runs from the stem to the point. 
2. Look at the color carefully, and notice a whitish shade 
which is over the whole or a part of the plum. 
This is called the bloom. Rub this bloom gently 
with your finger. Does it come off? Is the color 
under it different from the rest of the plum? 
How? 
3. Has the plum a smell ? 
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