CBSE Class 6 Science The Wonderful World of Science (Class 6 NCERT New) Quiz 7

1. Which step comes after conducting an experiment?

A Observation B Conclusion C Forming hypothesis D Asking question

2. Scientists use scientific methods mainly to:

A Make guesses B Find reliable answers using evidence C Avoid experiments D Draw pictures

3. What is the primary purpose of conducting a science experiment?

A To test a hypothesis and gather data. B To observe natural phenomena without intervention. C To replicate previous experiments without changes. D To create a theory based on assumptions.

4. What does a scientist use to measure the volume of a liquid in an experiment?

A Pipette or dropper B Thermometer or scale C Graduated cylinder or volumetric flask D Beaker or test tube

5. In a science experiment, what is a 'hypothesis'?

A A hypothesis is a random guess without any basis. B A hypothesis is an untestable theory about the universe. C A hypothesis is a definitive conclusion drawn from data. D A hypothesis is a testable prediction about the relationship between variables.

6. Which of the following is an example of a simple science experiment you can do at home?

A Mixing baking soda and vinegar to observe a chemical reaction. B Planting seeds to watch them grow over time. C Measuring the temperature of ice in a glass. D Boiling water to see how steam forms.

7. What is the importance of recording observations during a science experiment?

A Recording observations is important for accurate data collection, analysis, and validation of scientific findings. B Observations can be ignored if results are clear. C Observations are only useful for personal reflection. D Recording data is unnecessary in scientific research.

8. In an experiment, what is the 'variable' that the scientist changes called?

A constant variable B controlled variable C independent variable D dependent variable

9. Why is it important to repeat an experiment multiple times?

A Repeating an experiment is unnecessary for accurate results. B Multiple trials can lead to confusion and errors. C It is important to repeat an experiment to save time and resources. D It is important to repeat an experiment multiple times to ensure reliability and validity of the results.

10. What safety precaution should always be followed when conducting a science experiment?

A Wear appropriate personal protective equipment (PPE). B Conduct the experiment without supervision. C Ignore all safety guidelines. D Use open flames during the experiment.