1) What is the variable that changes in an experiment? a) independent b) dependent c) control d) hypothesis 2) what is the variable that is measured and recorded in an experiment? a) independent b) dependent c) control d) hypothesis 3) what is the variable that is kept the same in an experiment? a) independent b) dependent c) control d) hypothesis 4) How many independent variables should you have? a) 1 b) 2 c) as many as possible 5) how many dependent variables should you have? a) 1 b) 2 c) as many as possible 6) How many control variables should you have a) 1 b) 2 c) as many as possible 7) What is the independent variable here: A student wants to find how fast a car will go down a ramp of different heights a) height of ramp b) speed of car c) type of car d) length of ramp 8) What is the dependent variable here: A student wants to find how fast a car will go down a ramp of different heights a) height of ramp b) speed of car c) type of car d) length of ramp 9) What is the control variable here: A student wants to find how fast a car will go down a ramp of different heights a) height of ramp b) speed of car c) type of car d) length of ramp

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