1) AIM: To investigate the effect of temperature on volume of foam produced.  Temperature is what I am ..... a) changing b) measuring c) keeping constant 2) AIM: To investigate the effect of temperature on volume of foam produced.  Volume of foam produced is what I am..... a) changing b) measuring c) keeping constant 3) AIM: To investigate the effect of temperature on volume of foam produced.  Type of acid used is what I am..... a) changing b) measuring c) keeping constant 4) AIM: To investigate the effect of sugar intake on body mass.  Sugar intake is the variable I will ..... a) change (independent variable) b) measure (dependent variable) c) keep constant (controlled variable) 5) AIM: To investigate the effect of sugar intake on body mass.  Body mass is the variable I will ..... a) change (independent variable) b) measure (dependent variable) c) keep constant (controlled variable) 6) AIM: To investigate the effect of sugar intake on body mass.  Age is the variable I will ..... a) change (independent variable) b) measure (dependent variable) c) keep constant (controlled variable) 7) AIM: To investigate the effect of parachute surface area on time to fall.  Surface area is the ..... a) independent variable b) dependent variable c) controlled variable 8) AIM: To investigate the effect of parachute surface area on time to fall.  Time to fall is the ..... a) independent variable b) dependent variable c) controlled variable 9) AIM: To investigate the effect of parachute surface area on time to fall.  Body mass is a ..... a) independent variable b) dependent variable c) controlled variable

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