3 Possible Projects
|Title||Research Question||Independent Variable||Dependent
|Investigation on factors affecting effectiveness
of a propellor.
|Does the angle of blades affect the effectiveness of the propellor?||Angle of blade tilted. (°)||Speed of propellor. (m/s)||1. Power given to propeller.
2. Material of blades.
3. Length of blades.
4. Type of motor used.
|Investigation on effects of different antibiotics on good bacteria.||Do different antibiotics have different effects on good bacteria?||Antibiotics used. (mg)||Amount of bacteria left. (µm)||1. Amount of antibiotics used.
2. Temperature of experiment.
3. Constant type of bacteria tested.
|Investigation on factors affecting rate of solar desalination.||Does the amount of light affect the rate of solar desalination?||Light Intensity. (Lux)||Amount of water desalinated. (ml)||1. Location of experiment.
2. Constant amount of saltwater.
3. Temperature of experiment.