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Class 9 · Science
→A result is called an anomalous value when it does what?
Class 9 · Science
→A student measures the distance travelled by a toy car on different surfaces. What is the independent variable?
Class 9 · Science
→In which situation is a hypothesis considered testable?
Class 9 · Science
→When is wearing safety goggles most necessary during an experiment?
Class 9 · Science
→What is the main advantage of calculating the average of measurements?
Class 9 · Science
→A student investigated the relationship between temperature and rate of evaporation. Which is an appropriate hypothesis?
Class 9 · Science
→Why is it necessary to change only one independent variable in an experiment?
Class 9 · Science
→Which measurement is quantitative data?
Class 9 · Science
→Why is it useful to write the procedure before an experiment?
Class 9 · Science
→A student tests how the amount of soap affects stain removal from cloth. What is the dependent variable?
Class 9 · Science
→What should a scientist do if the experimental result does not support the hypothesis?
Class 9 · Science
→Why do results become more reliable when an experiment is repeated several times?
Class 9 · Science
→In an experiment three similar seeds are given different amounts of water. Which factor should be kept the same?
Class 9 · Science
→Which statement is an example of a good scientific hypothesis?
Class 9 · Science
→What is the main purpose of keeping controlled variables in a fair experiment?
Class 9 · Science
→In an experiment on the effect of light on plants which would be the dependent variable?
Class 9 · Science
→A student believes that a plant will grow faster when it receives more light. What is the independent variable?
Class 9 · Science
→What is the most suitable meaning of a hypothesis in a scientific investigation?
Class 9 · Science
→A student hypothesises that a wet cloth will dry faster when exposed to more airflow. Which factor should be kept the same for a fair test?
Class 9 · Science
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