Second hand smoke.
The purpose of this experiment was to see if radishes would grow
better watered with vitamin C while being exposed to second hand smoke.
A terrarium was used to grow the radishes. The radishes were exposed to
second hand smoke daily for 32 days and to direct cigarette smoke twice
a day for 5 minutes for 32 days. At the end of the experiment, she
measured the leaf surface area. The final height for the radishes
watered with vitamin C was 13cm. The final average height for the
control group of radishes was 9.7cm, which is a difference of 3.3cm. The
leaf surface area for the plants watered with vitamin C was 0.00043
[m.sup.2] . The Leaf surface area for the plants watered with plain
water was 0.00042M2. The difference between the two was 0.00001
[m.sup.2], which is a difference of 2.4%. Further tests are being
Nissa L. Schmidt, Merino Jr. High School