The Bean Plant Lab

Julie Bannester and William Leto observed the health of bean plants under high concentrations of oxygen, carbon dioxide, and nitrogen dioxide. The group placed three plants in each chamber containing one gas. The chambers were constructed of a wood frame enclosed with plastic sheeting. The plants were watered with a plastic tube and syringe to keep the environment in the chambers as closed as possible. The group observed the rapid deterioration of the nitrogen dioxide plants and the slight deterioration of the carbon dioxide and oxygen plants. Nitrogen dioxide was definitely fatal to the bean plants while the plants could tolerate carbon dioxide and oxygen gases much better. Environmental standards must be set because high concentrations of gases, especially NO2, are fatal to plants.

Research Done By:

Julie Bannester
Cousino High School

William Leto
Fraser High School