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Class 9 · Science
→A student adds different amounts of salt and measures the boiling time of water. What type of variable is the amount of salt?
Class 9 · Science
→In an experiment at different soil depths what type of variable is the measured temperature?
Class 9 · Science
→A student measures soil temperature at different depths. What type of variable is soil depth?
Class 9 · Science
→What is the correct relationship among independent dependent and controlled variables?
Class 9 · Science
→What is the correct way to identify variables in an experiment?
Class 9 · Science
→What happens if controlled variables are not kept the same?
Class 9 · Science
→How should the initial volume of water be kept in an evaporation experiment?
Class 9 · Science
→In which question is the time taken for evaporation the dependent variable?
Class 9 · Science
→In which question is water temperature the independent variable?
Class 9 · Science
→Which option incorrectly matches a variable with its role?
Class 9 · Science
→Which option correctly matches a variable with its role?
Class 9 · Science
→What is the benefit of identifying variables in an experiment?
Class 9 · Science
→In which situation is an experiment considered fair?
Class 9 · Science
→In the same experiment what type of variable is sound intensity?
Class 9 · Science
→In an experiment sound intensity is changed and plant growth is measured. What is the dependent variable?
Class 9 · Science
→What should the water temperature be in an experiment on stirring speed?
Class 9 · Science
→In which experiment is stirring speed the independent variable?
Class 9 · Science
→In the same experiment how should the amount of water be kept?
Class 9 · Science
→A student tests the effect of soil type on plant growth. What is the independent variable?
Class 9 · Science
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