3 Possible Projects
Title | Research Question | Independent Variable | Dependent Variable |
Constant Variable |
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. |
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