1) Which variable do we MEASURE or OBSERVE in an experiment? a) dependent variable b) control variable c) independent variable d) no variables 2) Which variable is the one you would CHANGE in an investigation? a) independent variable b) control variable c) dependent variable d) no variable 3) Which variable do we need to KEEP THE SAME in a Science experiment? a) the dependent variable b) no variable c) the control variables d) the independent variable 4) What is the independent (change) variable in the dancing raisins experiment? a) the amount of water b) the amount of raisins c) the type of liquid d) size of glass 5) What did the student measure in the dancing raisins experiment? a) what type of dancing the raisins were doing b) the amount of dancing raisins c) how many bubbles there were d) how cold the water was 6) Why did the raisins fall back down in the carbonated soda? a) bubbles popped and raisins became heavier b) the bottom part of the container attracted the raisins c) the raisins could dance d) the raisins like dancing 7) Fill in the correct dependent variable for this experiment question. How does changing the type of liquid affect the____________? a) type of liquid b) amount of rising raisins c) amount of liquid d) amount of bubbles 8) Fill in the correct independent variable for this experiment question. How does changing the ________________ affect the rising raisins? a) type of glass b) type of raisin c) type of liquid d) amount of bubbles 9) What was kept the SAME in the dancing raisins experiment? a) the type of liquid b) the amount of liquid c) the size of the bubbles d) the type of dancing 10) What made the raisins rise to the surface? a) the bubbles attached to the raisins making them lighter b) the raisins jumped up c) the raisins had lots of energy d) the raisins like to dance

Variables in a scientific investigation.

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