Practice

The Wonderful World of Science — Practice

15 questions 15 min Recall + understand

Q1. According to the chapter, science is best described as
- A. A fixed set of facts about nature
- B. A way of thinking, observing and doing things to understand the world
- C. The history of famous scientists
- D. A list of formulas used in industry
Q2. The title of the Class 6 Science textbook ‘Curiosity’ comes from
- A. The name of an ancient Indian scientist
- B. A Mars rover sent by NASA
- C. The most important thing needed to do science — being curious
- D. A famous experiment in physics
Q3. According to the chapter, the first step of the scientific method is to
- A. Guess a possible answer
- B. Do an experiment
- C. Observe something interesting or not understood
- D. Write down the result
Q4. In the scientific method described in the chapter, after observing and wondering about something, the next step is to
- A. Guess a possible answer
- B. Analyse the result
- C. Publish a research paper
- D. Stop and look for another problem
Q5. How does a scientist test a guess, according to the chapter?
- A. By asking older people what they think
- B. By looking up the answer in a book
- C. Through experiments or more observations
- D. By voting among classmates
Q6. The last step of the scientific method given in the chapter is to
- A. Forget the experiment
- B. Analyse the results to see if they answer the question
- C. Make a new guess immediately
- D. Show off the result to friends
Q7. In the chapter's pen example, what is the first guess the student makes when the pen stops writing?
- A. The pen is broken
- B. The ink has finished
- C. The paper is too smooth
- D. The hand is tired
Q8. In the pen example, how does the student test the guess that the ink has finished?
- A. By smelling the pen
- B. By weighing the pen
- C. By opening the pen and checking the ink refill
- D. By asking the shopkeeper
Q9. Which statement matches what the chapter says about how scientists work?
- A. Science is rarely done alone; scientists often work in large teams
- B. Real science is always done by one person alone
- C. Scientists work only inside laboratories, never with others
- D. Two scientists can never agree, so they avoid each other
Q10. Which of these matches the chapter's statement about what science is NOT?
- A. Science is just memorising facts and figures
- B. Science is following a step-by-step process to find answers
- C. Science needs curiosity and questioning
- D. Science is about understanding how things work
Q11. The chapter's closing line ‘to be a wise person, you must be a “whys” person’ means that a wise learner is one who
- A. Remembers many answers
- B. Always agrees with the teacher
- C. Speaks Hindi and English fluently
- D. Asks many ‘why?’ questions
Q12. Which of the following is given in the chapter as an example of a mystery that science helps us unravel?
- A. Why the stars shine
- B. Why people speak different languages
- C. Why poetry rhymes
- D. Why we celebrate festivals
Q13. The chapter compares science to a giant jigsaw puzzle because
- A. It is meant only for children
- B. It has a picture printed on the back
- C. It must be solved within a fixed time
- D. Every new discovery adds another piece to it
Q14. The chapter gives the example of a cook wondering ‘why the dal spilled out of the cooker — was there too much water?’ This person is
- A. Just gossiping about cooking
- B. Wasting time on a small problem
- C. Working like a scientist by following the scientific method
- D. Breaking the rules of cooking
Q15. The chapter says we will start our science journey by looking at
- A. The Moon
- B. Distant galaxies
- C. The Sun
- D. Planet Earth

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