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The variable that I will change will be the temperature of the water that the Alka Seltzer is put in.
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SKILL P: PLANNING Ibrahim Abu-Abdo Statement of the problem: The variable that I will change will be the temperature of the water that the Alka Seltzer is put in. For my results I will measure the time taken for the Alka seltzer tablet to completely dissolve in water at different temperatures. Input variables: * Varying surface area of Alka-Seltzer tablet, i.e. if cut into smaller pieces or crushed it will increase the surface area. (If the surface area is increased (more powdered) the rate of reaction also increases. This means that there are more collisions between the solid and liquid.) * Amount of tap water H2O used, i.e. volume (ml). * Amount of Alka-Seltzer tablets used, i.e. quantity of tablets. (one is used) * Number of times the solution is stirred. (If the solution is stirred more there are more collisions between the particles therefore the reaction is speeded up.) * Temperature of Water-°C. (As...
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