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Variables In An Experiment

Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceIf the angle of a slope is changed and the speed of a ball is measured, what type of variable is the slope angle?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the water absorption capacity of different brands of paper towels, what should be kept constant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an investigation, sound intensity is changed and a person's reaction time is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe amount of water given to seeds is changed and seedling length is measured. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student changes the distance between a magnet and iron nails and counts the nails attracted. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of temperature on the rate of evaporation, which is a suitable controlled variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe time of oscillation of pendulums with different lengths is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an experiment, the number of batteries is changed and bulb brightness is observed. What is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf exercise duration is changed and pulse rate is measured, what type of variable is pulse rate?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe wing length of a paper aeroplane is changed and its flight distance is measured. Which should be a controlled variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe time taken for milk to turn sour at different temperatures is measured. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student measures the distance travelled by a toy car on different surfaces. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of salt amount on the boiling point of water, which factor should be kept constant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an experiment involving light intensity and the rate of photosynthesis, which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an experiment, the amount of soap is changed and the height of foam is measured. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIf the effect of soil type on seed germination is investigated, what will be the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student changes the height from which a ball is dropped and records its bounce height. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhile testing the effect of water temperature on the rate of sugar dissolving, which could be a controlled variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceThe amount of fertilizer is changed and plant height is measured. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an investigation of the effect of light duration on plant growth, which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium