Case Study Questions for Class 7 Science Chapter 6 Physical and Chemical Changes

[Download] Case Study Questions for Class 7 Science Chapter 6 Physical and Chemical Changes

Here we are providing case study or passage-based questions for class 7 science chapter 6 Physical and Chemical Changes.

Case Study/Passage Based Questions

Passage-1

Methane (CH₄) when burnt in oxygen (or air) yields carbon-dioxide (CO₂) and water (H₂O). The reaction can be represented in the form of a chemical equation:
Methane + Oxygen –> Carbon dioxide + Water
or CH₄ +2O₂ –> CO₂ + H₂O

1. Marsh gas is:
   (a) Methane
   (c) Oxygen
   (b) Carbon dioxide
   (d) None of these
2. Which of the following if present in excess in air will cause, acid rain?
   (a) Methane
   (b) Carbon dioxide
   (c) Oxygen
   (d) Water vapour
3. During photosynthesis plants absorb
   (a) Methane
   (b) Carbon dioxide
   (c) Oxygen
   (d) All of these

➤ Show Answer

Answer:
(1) a
(2) b
(3) b

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What is Case Study Question for Class 7 Science?

Case study or passage-based questions in class 7 Science typically require students to read a given scenario or passage and answer questions based on the information provided. These questions assess students’ comprehension, analytical thinking, and application of scientific concepts. 

Best Ways to Prepare for Case Study Questions

To develop a strong command on class 6 Science case study questions, you can follow these steps:

1. Read the textbook and study materials: Familiarize yourself with the concepts and topics covered in your class 6 Science curriculum. Read the textbook thoroughly and take notes on important information.
2. Practice analyzing case studies: Look for case studies or passages related to class 6 Science topics. Analyze the given information, identify key details, and understand the context of the situation.
3. Develop comprehension skills: Focus on improving your reading comprehension skills. Practice reading passages or articles and try to summarize the main points or extract relevant information. Pay attention to details, vocabulary, and the overall structure of the passage.
4. Understand scientific concepts: Ensure that you have a solid understanding of the scientific concepts discussed in class. Review the fundamental principles and theories related to each topic.
5. Make connections: Try to connect the information provided in the case study to the concepts you have learned in class. Identify any cause-effect relationships, patterns, or relevant scientific principles that apply to the situation.
6. Practice critical thinking: Develop your critical thinking skills by analyzing and evaluating the information given in the case study. Think logically, consider multiple perspectives, and draw conclusions based on the evidence provided.
7. Solve practice questions: Look for practice questions or sample case study questions specifically designed for class 6 Science. Solve these questions to apply your knowledge, practice your analytical skills, and familiarize yourself with the format of case study questions.
8. Seek clarification: If you come across any challenging concepts or have doubts, don’t hesitate to ask your teacher for clarification. Understanding the underlying principles will help you tackle case study questions effectively.