Curiosity Class 7 Science Chapter 1 The Ever-Evolving World of Science Case Study Questions

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Last Updated on May 7, 2025 by XAM CONTENT

Hello students, we are providing case study questions for class 7 Science. Case study questions are the new question format that is introduced in CBSE board. The resources for case study questions are very less. So, to help students we have created chapterwise case study questions for class 7 Science. In this article, you will find case study questions for cbse class 7 Science chapter 1 The Ever-Evolving World of Science.

Chapter	The Ever-Evolving World of Science
Book	Curiosity: Textbook of Science for Grade 7
Type of Questions	Case Study Questions
Nature of Questions	Competency Based Questions
Board	CBSE
Class	7
Subject	Science
Useful for	Class 7 Studying Students
Answers provided	Yes
Difficulty level	Mentioned
Important Link	Class 7 Science Chapterwise Case Study

Table of Contents

Customised Study Materials for Teachers, Schools and Coaching Institute

Case Study Questions on The Ever-Evolving World of Science

Case Study Question 1

Passage: A Curious Classroom Activity

During a science class, students were asked to place an ice cube in a glass and observe it over time. As it melted, the teacher asked:
“Is this change similar to the way a battery drains or how fruits ripen?”
The discussion then moved to heat flow, reversible and irreversible changes, and the melting of glaciers due to climate change.

Q1. Which of the following best describes the type of change occurring when ice melts in a glass?
(a) Chemical change, reversible
(b) Physical change, reversible
(c) Chemical change, irreversible
(d) Physical change, irreversible

Q2. The ripening of fruit and draining of a battery are:
(a) Both physical changes
(b) Both reversible changes
(c) Irreversible changes
(d) Examples of changes involving only water

Q3. Why is the melting of glaciers a concern in science and society?
(a) It is a natural and reversible process
(b) It affects only mountain regions
(c) It contributes to rising sea levels and climate impact
(d) It produces fresh drinking water in abundance

Q4. Which of the following best explains why the ice melting is not the same as fruit ripening?
(a) Ice melting involves new substances
(b) Fruit ripening is a physical change
(c) Ice melting is a chemical change
(d) Fruit ripening forms new substances, ice melting does not

Answers:
Q1 → (b)
Q2 → (c)
Q3 → (c)
Q4 → (d)

Case Study Question 2

Passage: Journey of Light and Shadows

A group of students observed how a pencil casts a shadow under sunlight. Their teacher then used a torch in a dark room to show similar effects. The discussion evolved into eclipses, the role of the Sun in day and night, and how ancient humans used shadows to measure time.

Q1. What causes day and night on Earth?
(a) The revolution of the Earth around the Sun
(b) The Moon’s movement around the Earth
(c) The rotation of Earth on its axis
(d) Light and shadow interactions

Q2. The phenomenon of eclipse occurs due to:
(a) Reflection of light from the Earth
(b) Shadow formation by Earth or Moon blocking light
(c) Rotation of planets
(d) Flickering of sunlight in space

Q3. Which ancient method was used to measure time before clocks?
(a) Watching the Moon’s phases
(b) Observing plant growth
(c) Noting the shadows cast by the Sun
(d) Using water clocks only at night

Q4. Why does shadow length change during the day?
(a) Because the object is moving
(b) Due to the Earth’s revolution
(c) Due to the Sun’s changing position in the sky
(d) Because of Moonlight interference

Answers:
Q1 → (c)
Q2 → (b)
Q3 → (c)
Q4 → (c)

We hope the given case study questions for The Ever-Evolving World of Science Class 7 helps you in your learning.

🎮 Bonus Challenge: Can You Solve This Scientific Mystery?

🔍 Solve the Mystery: The Case of the Shadow School

A group of students noticed that the school bell rang at 8:00 AM, but the shadows outside looked like it was still early dawn. Later, during science class, they wondered why some days feel brighter earlier, and some don’t. Their curiosity led them to uncover deeper truths about shadows, sunlight, and Earth’s movements.

Help them crack the mystery by solving each clue below!

👉 The Ever-Evolving World of Science Assertion Reason Questions

👉 The Ever-Evolving World of Science MCQ Questions

👉 The Ever-Evolving World of Science NCERT Solutions

Also check

🚀 Boost Your Exam Prep: Get case study questions for all subjects (Class 6-12) now!

👉 Explore more resources on CBSE Class 7

Topics from which case study questions may be asked

Branches of science
Role of observation
Scientific method

Science evolves with curiosity, experimentation, and observation.

Frequently Asked Questions (FAQs) on The Ever-Evolving World of Science Case Study Questions

Q1: What are case study questions in The Ever-Evolving World of Science?

A1: These are competency-based questions based on real-life situations and concepts from The Ever-Evolving World of Science.

Q2: Are case study questions part of Class 7 Science CBSE exams?

A2: Yes, CBSE includes such questions in line with NEP guidelines.

Q3: How can I practice Class 7 case study questions?

A3: Practice from chapterwise question banks and NCERT-integrated sources.

Q4: Are answers provided for The Ever-Evolving World of Science case study questions?

A4: Yes, each case study question includes an answer.

Q5: Are there any online resources or tools available for practicing class 7 science curiosity “The Ever-Evolving World of Science” case study questions?

A5: We provide case study questions for CBSE Class 7 Science Curiosity on our website. Students can visit the website and practice sufficient case study questions and prepare for their exams. If you need more case study questions, then you can visit Physics Gurukul website. they are having a large collection of case study questions for all classes.