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Class 9 · Science
→Which statement best describes the relationship among independent dependent and controlled variables?
Class 9 · Science
→Which sequence of questions is most useful for identifying variables?
Class 9 · Science
→What is the most appropriate step if the value of a controlled variable changes accidentally?
Class 9 · Science
→In an experiment both temperature and time are recorded but temperature is changed. What is the correct identification?
Class 9 · Science
→In which experiment is time the independent variable?
Class 9 · Science
→What is the main problem if the dependent variable is recorded using terms such as very good or poor?
Class 9 · Science
→A student tests plant growth at three light levels. What do the three light levels represent?
Class 9 · Science
→What is the purpose of using different levels of an independent variable?
Class 9 · Science
→In which question is the dependent variable clearly defined?
Class 9 · Science
→In an experiment the result changed although the independent variable was not changed. What is the most appropriate explanation?
Class 9 · Science
→Which option classifies a variable incorrectly?
Class 9 · Science
→Which option classifies the variable correctly?
Class 9 · Science
→Which option gives the correct order of independent dependent and controlled variables?
Class 9 · Science
→If plants exposed to louder sound also receive more fertiliser what will fertiliser amount be called?
Class 9 · Science
→Which factor is appropriate to control while testing the effect of sound?
Class 9 · Science
→In the same experiment what will average plant height gain be?
Class 9 · Science
→What is the independent variable while testing the effect of sound intensity on plant growth?
Class 9 · Science
→What is the main error if a large ice piece is placed in a warm location and a small one in a cold location?
Class 9 · Science
→Which factor should remain the same in a fair comparison of ice melting?
Class 9 · Science
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