1) What word do we use in science for anything which can change? a) Variable b) Hypothesis c) Research question d) Trend 2) Variables are things which can change a) Next b) Ok 3) Which variable do we decide to change, before the start of an experiment? a) Dependent variable b) Independent variable c) Control variables 4) There can be more than one independent variable in an experiment. a) True b) False 5) Sarah wants to find out how changing the liquid affects the height of a plant. What is the independent variable? a) Height of plant b) Juice c) Type of liquid d) Volume of liquid 6) Which variable do we want to find out / measure? a) Dependent variable b) Independent variable c) Control variables 7) Sarah wants to find out how changing the liquid affects the height of a plant. What is the dependent variable? a) Height of plant b) Juice c) Type of liquid d) Volume of liquid 8) Which variables do we keep the same to make it a fair test? a) Dependent variable b) Independent variable c) Control variables 9) Sarah wants to find out how changing the liquid affects the height of a plant. What are three possible control variables? a) Type of liquid b) Type of plant c) Length of time the plant had to grow d) Volume of liquid 10) There are three scientific variables. a) Next b) Ok 11) Tom makes paper airplanes with different sizes of paper and measures how far each can fly. What is the independent variable? a) Type of paper b) Force of the throw c) Distanced travelled d) Size of paper 12) Sally wants to test the effect of different types of exercise on heart rate. What is the dependent variable? a) Heart rate b) Amount of exercise c) Type of exercise d) Time of day 13) Michael wants to investigate how the weight of a ball affects how fast it rolls down a ramp. What type of variable is speed? a) Independant variable b) Dependant variable c) Control variable 14) Michael wants to investigate how the weight of a ball affects how fast it rolls down a ramp. What type of variable is weight? a) Independant variable b) Dependant variable c) Control variable 15) Michael wants to investigate how the weight of a ball affects how fast it rolls down a ramp. What type of variable is height? a) Independant variable b) Dependant variable c) Control variable

Scientific variables quiz: variable, dependent and control variables

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