Download PDF of class 7 science chapter 1 the ever-evolving world of science solutions and get easy access to well-structured answers for all textbook questions. These NCERT Solutions for Class 7 are available in a simple format, making it convenient for students to study anytime and anywhere.
NCERT Solutions for Class 7 Science Chapter 1 The Ever-Evolving World of Science
Do you know that science is all around you? Whether it is the food we eat, the air we breathe, or the gadgets we use every day, science plays a crucial role in our daily lives. The chapter Ever-Evolving World of Science aims to develop curiosity among the students about the world around them and to help them analyze the everyday observations. This chapter focuses on the importance of asking questions, making observations and using logical thinking through engaging examples. Let us explore the world of science through this chapter!
This Story also Contains
- Download PDF of NCERT Solutions for Class 7 Science Chapter 1
- NCERT Solutions for Class 7 Science Chapter 1 (Most Probable Questions)
- NCERT Solutions for Class 7 Science Chapter 1 (Activity 1.1)
- Practice Questions for Class 7 Science Chapter 1
- Approach to Solve Questions of Class 7 Science Chapter 1
- Topics Covered In NCERT Solutions for Chapter 1
- What Students Learn from NCERT Solutions for Class 7 Science Chapter 1
- NCERT Solutions for Class 7 Science Chapter-Wise
- NCERT Books and NCERT Syllabus
Science is not just about facts but also about questioning and exploring the world. The NCERT solutions for class 7 science will offer a systematic approach for understanding these concepts through a series of solved questions. The concepts like the basics of science, human life and importance of observation are well portrayed in the ever-evolving world of science ncert solutions. The practice questions for class 7 science chapter 1 are also included in the article to improve your critical thinking. These NCERT solutions are aligned with the latest CBSE curriculum and will serve as a valuable resource for students to enhance their exam performance. We have also mentioned a few points to help you build a good approach for solving the questions.
NCERT Solutions for Class 7 Science Chapter 1 (Most Probable Questions)
These solutions are carefully selected to help students focus on important topics likely to appear in exams. These class 7 science chapter 1 the ever-evolving world of science question answer strengthen conceptual clarity and boost confidence during preparation.
Question 1. Fill in the blanks
(i) Science is not just about facts. It is also about ………. and ………….
(ii) Changes like fruits …………… are ………….. and cannot be reversed.
(iii) Animals need to eat, breathe, and circulate …………. to survive.
(iv) Plants prepare their food through ………….
(v) Studying………….. and ………… helped people understand day and night.
Answer:
(i) Science is not just about facts. It is also about questioning and exploring.
(ii) Changes like fruits ripening are permanent and cannot be reversed.
(iii) Animals need to eat, breathe, and circulate nutrients to survive.
(iv) Plants prepare their food through photosynthesis.
(v) Studying light and shadows helped people understand day and night.
Question 2. What is the purpose of asking questions and exploring in science?
(i) To find out facts
(ii) To learn from books
(iii) To confirm known things
(iv) To discover new things and think logically
Answer:
The correct answer is option (iv).
In science, asking questions helps us inquire and understand how things work. It encourages us to think clearly and find new ideas or explanations.
Question 3. What is the main goal of science?
Answer:
The main goal of science is to understand the natural world through experiments, observation, and by asking questions. It explains how things work and solves problems. Science also helps improve technology, health, and the quality of life for people.
Question 4. How are light and shadows important in understanding the universe?
Answer:
Light and shadows help us understand the presence, shape, and movement of objects. They allow scientists to study distant stars and planets. They also help us understand phenomena like day and night as well as the movement of celestial bodies such as the Earth, the moon, and the sun.
Question 5. What happens when materials like batteries run out?
Answer: When batteries run out, they cannot produce electrical energy because the chemical reactions stop inside them. The battery then becomes "dead" and needs to be recharged (if it's rechargeable) or replaced.
NCERT Solutions for Class 7 Science Chapter 1 (Activity 1.1)
The solutions to the activity covered in this chapter are given below. These NCERT Solution for Class 7 Science Chapter 1 The Ever-Evolving World of Science provide step by step guidance to understand the experiment and its outcome. These solutions of NCERT make it easier for students to relate practical activities with theoretical concepts.
Question 1. Make suitable questions according to the given answers:
(i) Question:.................................................................
Answer: Because the cat’s teeth were crooked.
(ii) Question: ………………………………………………..
Answer: Just add some milk.
(iii) Question:....................................................................
Answer: Don’t panic, I have my towel.
(iii) Question:....................................................................
Answer: 42.
Answer:
Question (i). Why do cats have difficulty in eating?
Question (ii). What can I add to the banana shake?
Question (iii). Do you have your towel?
Question (iv). A gardener plants 6 rows of flowers, with 7 flowers in each row. How many flowers did the gardener plant in total?
Practice Questions for Class 7 Science Chapter 1
The practice questions of the ever-evolving world of science ncert solutions are provided for your assistance. These solutions are important to understand the basics of science.
Question 1. What is the difference between invention and discovery?
Answer:
A discovery is finding something that already exists (like gravity).
An invention is creating something new (like the telephone).
Question 2. How does science help in our daily lives?
Answer:
Science helps us cook food, travel, use mobile phones, cure diseases, and make life easier with technology.
Question 3. Name two scientists and their contributions.
Answer:
The names of the two scientists are Isaac Newton and Alexander Fleming.
Isaac Newton – Discovered gravity and explained the laws of motion.
Alexander Fleming – Discovered penicillin (a medicine that kills bacteria). This led to the development of antibiotics.
Question 4. Why is science called ever-evolving?
Answer:
Science is called ever-evolving because it keeps changing as we learn new things and make new inventions or discoveries.
Approach to Solve Questions of Class 7 Science Chapter 1
The following points will help you build a good approach to solve the class 7 science chapter 1 the ever-evolving world of science question answer effectively.
1. Understand the key concepts
Try to focus on what science is, how it evolves with time and the role of observation, experimentation and evidence in scientific progress. This will help you a lot in answering the questions on your own.
2. Learn important terms
Memorize terms like invention, discovery, observation and innovation. Also try to understand their meanings through examples. Read the ever-evolving world of science ncert solutions thoroughly.
3. Try to connect with real life
Try linking scientific developments with real-world inventions (like light bulbs, vaccines or mobile phones) to better understand how science impacts life.
4. Use diagrams and timelines
For long answers, you can also draw timelines or simple diagrams for quick revisions.
5. Practice questions
Read the textbook thoroughly and attempt all in text and end of chapter the ever-evolving world of science class 7 question answers. You can practice application-based and reasoning questions and revise them regularly.
Topics Covered In NCERT Solutions for Chapter 1
We have listed the Class 7 science chapter 1 important topics below. Read the NCERT book thoroughly to understand these topics well
-
Understanding the basics of science
-
How to think logically?
-
Making observations
-
Questioning and Exploring the world
-
How is human life transformed?
-
What is happening and why?
-
How is the world evolving?
What Students Learn from NCERT Solutions for Class 7 Science Chapter 1
These class 7 science chapter 1 the ever-evolving world of science solutions gives clear understanding of scientific concepts, examples and role of science in everyday life.
- This chapter explains the importance of science in daily life and human processes.
- The role of observation and experiments are well explained in the ever-evolving world of science ncert solutions.
- Student will get to know about how scientific theories and inventions shape the world.
- Chapter 1 helps students to developing curiosity and critical thinking to explore new ideas.
NCERT Solutions for Class 7 Science Chapter-Wise
Along with NCERT Solution for Class 7 Science Chapter 1 The Ever-Evolving World of Science students can refer to the links given below for other chapters of NCERT science class 7:
NCERT Books and NCERT Syllabus
The links for the NCERT books and NCERT syllabus for class 7 are given in the table below. Use them to get a clear idea of the syllabus.
Frequently Asked Questions (FAQs)
Q: Why is experimentation so important in Class 7 science chapter 1?
A:
Experiments are important because they help us find out if an idea or guess (called a hypothesis) is right or wrong. A good experiment lets us change one varaible at a time to see how it affects the result.
Q: According to the class 7 science chapter 1, what makes a great scientist?
A:
A great scientist is someone who is curious, observant and always ready to ask questions. They think logically, do careful experiments and are open to changing their ideas when new evidence is found.
Q: What was an early method of measuring time?
A:
In older times, people measured time by watching the shadow of the sun using a sundial. They also used water clocks and sand timers to count time.
Q: How is curiosity important in learning science?
A:
Curiosity is important in learning science because it encourages us to ask questions and explore how things work. It leads to discovery and makes learning more exciting and meaningful.
Q: Why observation is important?
A:
Observation is the first step in learning about the world around us. By carefully watching and noticing details, we can discover how things work and ask the right questions.
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