1. The Effect of Weed Killer on Plant Growth
Separate plants into 2 groups
Group 1
(Control Group)
Spray soil with water 1x a week for 8 weeks
Group 2
(Exp Group)
Spray soil with 5 sprays weed insect 1x a week for 8 weeks killer
Measure height (cm) 1x a week for 8 weeks
Trial 2
Trial 2
Record data in logbook

2. The Effect of Wavelength on the Growth of E. coli
Streak/swab bacteria onto agar plates
Group 1
(Control Group)
Incubate hours covered in black construction paper
Group 2
(Exp Group)
Incubate hours
Exposed to white light
Group 1
(Exp Group)
Incubate hours
Exposed to blue light
Remove from incubator after hours
Cover petri dish with graph paper
Trial 2
Trial 2
Trial 2
Use pencil  shade in areas of bacteria growth
% bacteria growth =
# boxes shaded
Total # boxes in area
Record data in logbook