Section 1 3 Using The Scientific Method

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Question Independent Variable (What I change) Dependent Variables (What I observe) Controlled Variables (What I keep the same) How much water flows through a faucet at different openings? Water faucet opening (closed, half open, fully open) Amount of water flowing measured in liters per minute ,[object Object],[object Object],[object Object],Does heating a cup of water allow it to dissolve more sugar? Temperature of the water measured in degrees Centigrade Amount of sugar that dissolves completely measured in grams ,[object Object],[object Object],[object Object]

Question Independent Variable (What I change) Dependent Variables (What I observe) Controlled Variables (What I keep the same) Does fertilizer make a plant grow bigger? Amount of fertilizer measured in grams ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Does an electric motor turn faster if you increase the voltage? Voltage of the electricity measured in volts Speed of rotation measured in revolutions per minute (RPMs) ,[object Object],[object Object],[object Object]

Qualitative Data Quantitative Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Section 1 3 Using The Scientific Method

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Section 1 3 Using The Scientific Method