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Exploration Entering The World Of Secondary Science

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

ScienceA student measures the mass change of potato pieces in salt solutions of different concentrations. What is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhy should the number of seeds be the same in each group of a germination experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student measures germination percentage at different temperatures. What are temperature and germination percentage respectively?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat difficulty arises if plants have different initial heights in a fertilizer experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student gives different amounts of fertilizer and counts the number of leaves. What type of variable is the number of leaves?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat is the main reason for keeping the initial push the same in a toy-car experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student investigates how surface type affects the distance travelled by a toy car. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich is the most suitable controlled variable in an experiment on lamp distance and light intensity?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student places a lamp at different distances and measures light intensity. What are lamp distance and light intensity respectively?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich result could be the dependent variable in a hot-water cooling experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student measures the cooling time of hot water using cloths of different thicknesses. What type of variable is cloth thickness?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhy should the initial amount of water be kept the same in the salt and boiling point experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student investigates how the amount of salt affects the boiling point of water. Which is the dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich variable should be kept the same to make a ball bounce experiment fair?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student drops a ball from different heights and measures bounce height. Which is the correct pair of independent and dependent variables?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student measures sugar dissolving time at different temperatures. What problem occurs if the amount of sugar differs in each trial?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhich factor is most important to control in an experiment on the effect of light on a plant?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceIn an experiment on light duration and plant growth what would be the most suitable dependent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceA student investigates how the duration of light affects plant growth. Which is the independent variable?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium ScienceWhat is the main reason for keeping controlled variables the same in a fair experiment?Class 9Exploration: Entering the World of Secondary ScienceVariables in an experimentMedium