Test your understanding of Chapter 1 – The Wonderful World of Science with these multiple-choice questions. These MCQs are designed to help you revise important concepts like curiosity, scientific methods, and everyday examples of science. Answer the questions and check the explanations to strengthen your basics in Science.

MCQ Questions for Class 6 Science Chapter 1 The Wonderful World of Science
Question 1: According to the chapter, what is Science?
a) Memorising facts and figures
b) A way of thinking, observing and doing to understand the world and uncover the universe’s secrets
c) Only doing laboratory experiments
d) Reading about famous scientists
Answer:
b) A way of thinking, observing and doing to understand the world and uncover the universe’s secrets.
Question 2: What is said to be the most important thing to have for learning Science well?
a) Speed
b) Curiosity
c) Expensive equipment
d) Memorisation skills
Answer:
b) Curiosity.
Question 3: Science is compared to which of the following in the text?
a) A treasure chest
b) A maze
c) A giant and unending jigsaw puzzle
d) A ladder
Answer:
c) A giant and unending jigsaw puzzle.
Question 4: What do new discoveries often do, according to the chapter?
a) Prove that older ideas were perfect
b) Change our understanding of the world
c) End scientific inquiry
d) Reduce curiosity
Answer:
b) Change our understanding of the world.
Question 5: Where does the book say we will start our exploration?
a) Mars
b) Atoms
c) Planet Earth
d) Deep space
Answer:
c) Planet Earth.
Question 6: Earth is described as the only planet we know that supports what?
a) Volcanoes
b) Water
c) Life
d) Mountains
Answer:
c) Life.
Question 7: In a large and diverse country like India, what everyday topic does the text call “fascinating”?
a) Roads
b) Food (different cuisines and dishes)
c) Weather
d) Clothes
Answer:
b) Food (different cuisines and dishes).
Question 8: Which of these items is not listed among the examples of things around us in the chapter?
a) Paper
b) Metal key
c) Plastic ruler
d) Glass window
Answer:
d) Glass window. (The text mentions paper, a metal key, a plastic ruler, a rubber eraser, a magnet, clothes, and a cup.)
Question 9: What happens to water when cooled and when heated, as mentioned in the text?
a) Cooled → steam; Heated → ice
b) Cooled → ice; Heated → steam
c) Cooled → metal; Heated → gas
d) Cooled → rain; Heated → snow
Answer:
b) Cooled → ice; Heated → steam.
Question 10: Why can finding out “how hot something is” be important, according to the chapter?
a) To colour clothes properly
b) To check our body when we have fever
c) To sharpen pencils
d) To make a tyre flat
Answer:
b) To check our body when we have fever (and for things like heating water).
Question 11: Beyond Earth, the chapter suggests asking questions about which objects?
a) Only satellites
b) The Sun, the Moon, and the millions of stars
c) Only comets
d) Only clouds
Answer:
b) The Sun, the Moon, and the millions of stars.
Question 12: In the pen example, what is the first guess to explain why the pen stopped writing?
a) The paper is wrong
b) The ink finished
c) The refill is too long
d) The nib is made of plastic
Answer:
b) The ink finished.
Question 13: Which step comes immediately after we “wonder and think of a question” in the scientific method described?
a) Analyse results
b) Write a report
c) Guess a possible answer (make a hypothesis)
d) Ask a friend
Answer:
c) Guess a possible answer (make a hypothesis).
Question 14: How do we test our guess in the scientific method, as per the chapter?
a) By voting on it
b) Through experiments or more observations
c) By memorising it
d) By asking a teacher to confirm
Answer:
b) Through experiments or more observations.
Question 15: Who is considered to be “working like a scientist” according to the text?
a) Only people with lab coats
b) Only those with PhDs
c) Anyone who follows the scientific method
d) Only astronauts
Answer:
c) Anyone who follows the scientific method.
Question 16: Which daily-life example is given for finding the source of a flat tyre?
a) A doctor
b) A chef
c) A bicycle repair person
d) A pilot
Answer:
c) A bicycle repair person (trying to find where the air leaked out).
Question 17: In the electrician example, what is being checked to find why a light bulb isn’t working?
a) The colour of the paint
b) The bulb or the switch
c) The window position
d) The floor tiles
Answer:
b) The bulb or the switch.
Question 18: How is scientific work usually carried out, as stated in the chapter?
a) Alone and secretly
b) In large teams with scientists working together
c) Only at night
d) Only during competitions
Answer:
b) In large teams with scientists working together.
Question 19: What is the “first and foremost” advice for learning science well in this chapter?
a) Buy many tools
b) Be curious and observe your surroundings keenly
c) Read only summaries
d) Avoid asking questions
Answer:
b) Be curious and observe your surroundings keenly.
Question 20: Complete the line: “After all, to be a wise person, you must be a ‘_____’ person!”
a) books
b) quick
c) whys
d) facts
Answer:
c) whys.
Fill in the Blanks Questions for Class 6 Science Chapter 1 The Wonderful World of Science
1. Science is described as a way of thinking, observing and ___ to understand the world.
Answer:
doing things
2. Science is compared to a giant and unending ___ puzzle.
Answer:
jigsaw
3. Earth is the only planet we know that supports ___.
Answer:
life
4. Water freezes and becomes ___ when cooled, and boils and becomes steam when heated.
Answer:
ice
5. The first and foremost thing to learn science well is to be ___.
Answer:
curious
6. To find why a pen stopped writing, one may guess that the ___ is finished.
Answer:
ink
7. A bicycle repair person trying to find where the tyre leaked air is an example of following the ___ method.
Answer:
scientific
8. Scientists usually work together in large ___.
Answer:
teams
9. When we wonder and think of a question, we next make a possible answer called a ___.
Answer:
hypothesis
10. The book advises: “After all, to be a wise person, you must be a ‘___’ person!”
Answer:
whys
MCQ Questions and Answers for Class 6 Science
- MCQ on Diversity in the Living World for Class 6
- MCQ on Mindful Eating: A Path to a Healthy Body for Class 6
- MCQ on Exploring Magnets for Class 6
- MCQ on Measurement of Length and Motion for Class 6
- MCQ on Materials Around Us for Class 6
- MCQ on Temperature and its Measurement for Class 6
- MCQ on A Journey through States of Water for Class 6
- MCQ on Methods of Separation in Everyday Life for Class 6
- MCQ on Living Creatures: Exploring their Characteristics for Class 6
- MCQ on Nature’s Treasures for Class 6
- MCQ on Beyond Earth for Class 6