Class 6 Science The wonderful word of Science important question answers

Class 6 Science Chapter 1: The Wonderful World of Science Important Questions and Answers

Class: 6

Subject: Science

Board: CBSE

Chapter Name: The Wonderful World of Science

Purpose: Revision, NCERT-style practice, concept clarity and exam preparation

About this chapter: This chapter introduces students to the meaning of Science, curiosity, scientific method, daily-life scientific thinking, teamwork and joyful exploration.

Section A: Very Short Answer Questions

Question 1: What is Science?

Answer: Science is a way of thinking, observing and doing things to understand the world and uncover the secrets of the universe.

Question 2: What is the most important quality needed to learn Science?

Answer: Curiosity.

Question 3: What is the step-by-step process used to find answers called?

Answer: Scientific method.

Question 4: Who are scientists?

Answer: Scientists are people who follow the scientific method to solve problems or discover new things.

Question 5: Name the only planet we know that supports life.

Answer: Earth.

Section B: Short Answer Questions

Question 1: Why is curiosity important in Science?

Answer: Curiosity is important because it makes us ask questions about the world around us. When we are curious, we observe carefully, wonder why things happen and try to find answers.

Question 2: Why is Science compared to a jigsaw puzzle?

Answer: Science is compared to a jigsaw puzzle because every new discovery adds a new piece of knowledge. Scientific knowledge keeps growing and sometimes new discoveries correct old ideas.

Question 3: Why is Earth special?

Answer: Earth is special because it is the only planet we know that supports life. It has plants, animals, water, air and an environment that must be protected.

Question 4: How do we use the scientific method in daily life?

Answer: We use the scientific method when we observe a problem, ask why it happened, make a guess, test the guess and check the result.

Section C: Long Answer Questions

Question 1: Explain the meaning of Science according to the chapter.

Answer:

• Science is a way of thinking, observing and doing things.
• It helps us understand the world we live in.
• It helps us uncover the secrets of the universe.
• Science begins with curiosity.
• We ask questions, explore things and try to understand how they work.
• Science is present in daily life, nature, food, water, materials, stars and many other things.

Question 2: Describe the steps of the scientific method.

Answer:

• Observation: First, we observe something interesting or something we do not understand.
• Question: Then, we wonder about it and ask a question.
• Guess: After that, we guess a possible answer.
• Testing: We test the guess through experiments or more observations.
• Analysis: Finally, we analyse the results to see whether they answer our question.

Section D: MCQs

Question 1: Science is mainly a way of:

A. Memorising facts only
B. Thinking, observing and doing things
C. Reading stories
D. Drawing pictures

Correct Answer: B. Thinking, observing and doing things

Explanation: Science helps us understand the world through thinking, observation and action.

Question 2: The most important quality needed for learning Science is:

A. Fear
B. Curiosity
C. Laziness
D. Silence

Correct Answer: B. Curiosity

Explanation: Curiosity makes us ask questions and explore the world.

Question 3: Science is compared to a:

A. Closed box
B. Jigsaw puzzle
C. Wall
D. Locked room

Correct Answer: B. Jigsaw puzzle

Explanation: Every new discovery adds a new piece to scientific knowledge.

Section E: Assertion and Reason

Question 1: Assertion: Science begins with curiosity. Reason: Curiosity makes us ask questions and explore the world.

A. Both Assertion and Reason are true, and Reason is the correct explanation.
B. Both Assertion and Reason are true, but Reason is not the correct explanation.
C. Assertion is true, but Reason is false.
D. Assertion is false, but Reason is true.

Correct Answer: A

Explanation: Curiosity is the starting point of Science because it pushes us to ask questions and find answers.

Section F: Case Study Questions

Case Study: The Pen Problem

Riya’s pen suddenly stopped writing during class. She wondered why it happened. First, she guessed that the ink might be finished. She opened the pen and checked the refill. The refill still had ink. Then she guessed that the ink might have dried near the tip.

Question 1: What was Riya’s first observation?

Answer: Her pen had stopped writing.

Question 2: What was her first guess?

Answer: She guessed that the ink might be finished.

Question 3: Which method was Riya using?

Answer: She was using the scientific method.

Section G: Diagram-Based Questions

Question 1: Look at the picture of a seed growing into a plant. What question can a curious student ask?

Answer: A curious student can ask, “How does a seed grow into a plant?”

Question 2: Look at the picture of a galaxy. What does it show about Science?

Answer: It shows that Science is not limited to Earth; it also helps us explore outer space, stars and galaxies.

Section H: HOTS / Application-Based Questions

Question 1: Your school bag suddenly feels heavier than usual. How will you use the scientific method to find the reason?

Answer:

• First, I will observe that the bag feels heavier.
• Then, I will ask, “Why is my bag heavier today?”
• I may guess that I packed extra books.
• I will test the guess by opening the bag and checking the books.
• Then, I will analyse whether extra books were the reason.

Question 2: Why should we not accept every guess as correct without testing it?

Answer: We should not accept every guess as correct because a guess may be wrong. In Science, a guess must be tested through observations or experiments.

Final Revision Tip: Remember these keywords: curiosity, observation, question, guess, testing, analysis, scientific method, exploration, teamwork and discovery.