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What can be the controlled variable for making glowing water for a science fair?
Wiki User
∙ 12y ago
one controlled variable could be using diffrent hylighters and seeing which one makes the water glow brighter.
Wiki User
∙ 12y ago
The controlled variable for making glowing water could be the concentration of the glowing compound (such as a fluorescent dye or chemical) added to the water. By keeping the concentration consistent, you can ensure that any differences in glow intensity are due to the manipulated variable (such as the amount of light exposure or type of light source used) and not the concentration of the glowing compound itself.
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