NCERT Solutions Class 7 Science Curiosity Chapter 01 The Ever-Evolving World of Science

Class 7 Science Curiosity Chapter 1 Solutions

Question 1. Science is not just about facts, it is also about __________ and __________.
Answer: questioning, exploring
In simple words: Science is not just about memorizing facts. It is also about asking questions and exploring the world.

Exam Tip: Remember that science involves active thinking, so both "questioning" and "exploring" are key words to write here.

Question 2. The page numbers in the book follow the playful flight of a __________ and a __________.
Answer: butterfly, paper plane
In simple words: The book shows the movement of a butterfly and a toy plane next to the page numbers.

Exam Tip: These playful icons represent the joy of learning and curiosity in science.

Question 3. Simple observations like paper planes inspired early studies about __________.
Answer: flight
In simple words: Watching paper planes fly helped scientists learn how real planes could fly.

Exam Tip: Keep your answer short and focused on "flight" or "flying".

Question 4. Science promotes a way of thinking that welcomes __________ and is open to the __________.
Answer: curiosity, unknown
In simple words: Science teaches us to be curious and willing to learn about things we do not know yet.

Exam Tip: Be sure to write "curiosity" and "unknown" in the correct blanks to secure full marks.

Question 5. Some changes, like fruits ripening, are __________ and cannot be __________.
Answer: permanent, reversed
In simple words: Once a fruit gets ripe, it stays ripe and cannot go back to being raw.

Exam Tip: Remember that permanent changes cannot be undone, which in science is described as "cannot be reversed".

Question 6. Heat can make changes happen __________, like melting ice or evaporating water.
Answer: faster
In simple words: Adding heat makes things change quickly, like making ice melt into water in less time.

Exam Tip: Heat adds energy, which acts as a catalyst to speed up physical changes.

Question 7. Animals need to __________, __________, and circulate nutrients to survive.
Answer: eat, breathe
In simple words: To stay alive, animals must eat food for energy and breathe air.

Exam Tip: These are the basic life processes needed by all animals to survive.

Question 8. Plants prepare their own food through a process called __________.
Answer: photosynthesis
In simple words: Plants make their own food using sunlight. This process is called photosynthesis.

Exam Tip: Learn the exact spelling of "photosynthesis" as it is a high-yield term in science exams.

Question 9. Studying light and shadows helped people understand day, night, and __________.
Answer: eclipses
In simple words: Learning about light and shadows showed how eclipses are made when the sun or moon is blocked.

Exam Tip: Eclipses happen when shadows fall on the Earth or the Moon.

Question 10. Science is connected to both discovery and __________ towards nature and society.
Answer: responsibility
In simple words: Science is not just about finding new things, but also about taking care of our environment.

Exam Tip: Highlighting our duty to protect nature is a key theme of modern science textbooks.

Class 7 Science Curiosity Chapter 1 Very Short Answer Type Questions

Question 1. What is the main aim of NCERT Class 7 Curiosity textbook besides giving facts?
Answer: This textbook does not just teach us facts. It aims to help us stay curious about our world. The book encourages us to ask questions, do experiments, and explore things around us. This helps us understand how science works in real life.
In simple words: This book teaches us to ask questions and do experiments instead of just memorizing facts.

Exam Tip: Mention "asking questions", "doing experiments", and "understanding real life" to get full marks.

Question 2. What playful elements are used in Class 7 Science Curiosity Chapter 1 page numbers?
Answer: The book makes its pages look fun by showing a flying butterfly and a toy paper plane near the page numbers. These playful drawings make learning science feel like an exciting journey.
In simple words: The page numbers have pictures of a butterfly and a paper plane flying to make the book more fun.

Exam Tip: State both the "butterfly" and "paper plane" clearly in your answer.

Question 3. What inspired early scientific explorations of flight?
Answer: Watching birds fly in the sky and playing with paper planes inspired early studies about flight. These simple, everyday observations slowly led to the invention of real airplanes later on.
In simple words: People watched birds fly and played with paper planes. This made them think about how to build flying machines.

Exam Tip: Highlight how small observations like "watching birds" can lead to "big inventions".

Question 4. What kind of thinking does science promote according to Curiosity Chapter 1?
Answer: According to the chapter, science teaches us to think with an open and curious mind. It encourages us to ask lots of questions and think deeply. Instead of just memorizing answers, we should be ready to learn new things.
In simple words: Science wants us to ask "why" and think carefully instead of just learning things by heart.

Exam Tip: Contrast "thinking deeply" or "asking questions" against "just memorizing" for a strong answer.

Question 5. According to Class 7 Science Curiosity Chapter 1, what else is science connected to besides discovery?
Answer: Science is not just about finding new things. It also teaches us to be responsible and solve problems in our environment. Science helps us understand how our actions can affect the natural world around us.
In simple words: Science also helps us care for nature and solve environmental problems caused by humans.

Exam Tip: Emphasize "environmental responsibility" and the link between "human activities and nature".

Class 7 Science Curiosity Chapter 1 Short Answer Type Questions

Question 1. What property of materials do we test using batteries, lamps and wires?
Answer: We use these items to check if a material allows electric current to flow through it. Things that let electricity pass easily are called conductors. On the other hand, materials that block electricity are known as insulators.
In simple words: We test if a material can pass electricity. Materials that do are conductors, and those that do not are insulators.

Exam Tip: Be sure to clearly define both "conductors" and "insulators" in your response.

Question 2. Why can some changes not be reversed? Give an example.
Answer: Certain changes are permanent, which means they can never be undone. For instance, when a fruit becomes ripe, it is impossible for it to go back to being green. Similarly, a broken rock cannot turn back into a whole rock.
In simple words: Some changes are permanent and cannot be undone, like a ripe fruit that can never become raw again.

Exam Tip: Give a clear, everyday example (like ripening of fruit) to support your explanation of permanent changes.

Question 3. How does heat affect the changes happening around us?
Answer: Adding heat provides energy, which makes many changes occur much faster. For example, ice turns into water very quickly when it is warm. Also, water dries up and evaporates faster on a hot sunny day.
In simple words: Heat gives energy to things. This energy makes changes, like melting and evaporation, happen much faster.

Exam Tip: State clearly that heat "provides energy" and "speeds up" processes like melting or evaporation.

Question 4. What are the essential processes animals perform to survive?
Answer: To stay alive, animals need to perform key activities. They must consume food to gain energy and breathe air to get oxygen. They also need to circulate nutrients through their blood to keep every part of their body healthy.
In simple words: Animals must eat food, breathe oxygen, and move blood around their body to stay alive and well.

Exam Tip: Mention all three major activities: eating (nutrition), breathing (respiration), and blood circulation.

Question 5. How do plants get their food?
Answer: Plants make their own food through a process known as photosynthesis. They do this by combining water, sunlight, and carbon dioxide gas. This process helps them grow and provides food for animals as well.
In simple words: Plants make their own food using sunlight, water, and air. This process is called photosynthesis.

Exam Tip: Mention the three key ingredients: sunlight, water, and carbon dioxide, along with the term "photosynthesis".

Class 7 Science Curiosity Chapter 1 Descriptive Type Questions

Question 1. What is the scientific importance of light and shadows?
Answer: Light is essential because it allows us to see our surroundings. By studying light and shadows, we can learn how day, night, and eclipses occur. Scientists also use shadows to understand how the Earth moves and how other planets behave in space.
In simple words: Light lets us see. Shadows show us how the Earth and Moon move, helping us understand eclipses, day, and night.

Exam Tip: Explain both basic usage (seeing things) and advanced usage (understanding space, eclipses, and planets).

Question 2. What was an early method of measuring time?
Answer: Before the invention of modern clocks and watches, people used shadows to keep track of time. They watched how the shadow of a stick or a tall object shifted with the Sun's position. This gave them a general idea of morning, midday, and nightfall.
In simple words: In old times, people used the moving shadow of a stick under the sun to know if it was morning, noon, or evening.

Exam Tip: Mention how a stick's shadow changes position based on the Sun's movement in the sky.

Question 3. How do the movements of Earth and Moon affect life on Earth?
Answer: The spinning of the Earth creates day and night, while the Moon's motion causes tides and eclipses. These natural movements keep nature balanced. They affect our seasons, weather systems, and the daily behavior of animals.
In simple words: The Earth spinning gives us day and night. The Moon moving causes tides. These movements control seasons and animal habits.

Exam Tip: Explicitly link the Earth's rotation to day/night and the Moon's orbit to tides/eclipses.

Question 4. How are different fields of science interconnected?
Answer: All branches of science - such as chemistry, physics, biology, and earth science - are closely linked together. A new discovery in one field often raises questions or helps create tools in another field. This shows that all scientific knowledge is connected.
In simple words: Chemistry, physics, and biology are not separate. A discovery in one subject often helps solve problems in another subject.

Exam Tip: Give examples of different fields (like physics and biology) working together to make new inventions.

Question 5. Why is it important to perform experiments according to Class 7 Science Curiosity Chapter 1?
Answer: Performing experiments is crucial because it allows us to test if our ideas are actually right. At times, experiments show unexpected results and lead to fresh questions. This makes learning science fun and helps us understand things better.
In simple words: Experiments help us check if our ideas are correct. They also show us new things and make science fun to learn.

Exam Tip: Mention both "checking if ideas are correct" and "creating new questions" to cover all points.

Class 7 Science Curiosity Chapter 1 Exploring Type Questions

Question 1. According to the chapter, what makes a great scientist?
Answer: A great scientist is not just someone who gives the right answers. Instead, they are someone who asks thoughtful, curious, and creative questions. Asking good questions is what leads to major discoveries.
In simple words: A great scientist is someone who always asks amazing and smart questions, rather than just knowing all the answers.

Exam Tip: Explain that "asking thoughtful questions" is more vital to a scientist than simply "answering" them.

Question 2. Give an example where a simple observation led to a big scientific idea.
Answer: Watching a paper plane fly is a great example. By observing how a simple folded paper plane glides, people began to think about how real airplanes could be designed and flown.
In simple words: Seeing a toy paper plane fly in the air helped people design real, big airplanes later.

Exam Tip: Always describe both the "simple observation" (paper plane) and the "big idea" (real flight) to get full credit.

Question 3. Is science limited only to laboratories?
Answer: No, science is not limited to lab rooms. It is present everywhere around us, like in our homes, schools, forests, and cities. It helps explain common tasks such as cooking food, plants growing, or changes in the weather.
In simple words: No, science is everywhere. It is in our kitchen, in our garden, and in the weather outside.

Exam Tip: Give a few real-world examples (like cooking or plant growth) to show how science exists outside a lab.

Question 4. Besides finding correct answers, what else is important in science?
Answer: Apart from getting the right answers, asking fresh and interesting questions is highly valuable. Questions help us open up new areas of study and turn science into a lifelong journey of exploration.
In simple words: Asking new questions is just as important as finding answers, because questions lead us to new discoveries.

Exam Tip: Emphasize that science is a "never-ending journey" which is driven forward by asking new questions.

Question 5. What is the message of the “Happy Exploring!” section?
Answer: The main lesson is to remain curious and enjoy the process of asking questions. Learning science should be a fun experience. It is not just about passing school exams, but about exploring our beautiful world.
In simple words: The message tells us to have fun, stay curious, and use science to explore the wonderful world around us.

Exam Tip: Mention that science is meant for "enjoyment" and "understanding the world," not just for "passing exams."

Frequently Asked Questions

Question. What is the main focus of Chapter 1 The Ever-Evolving World of Science in Class 7 Science Curiosity?
Answer: The primary goal of Chapter 1 is to help students build a scientific mindset. It does this by encouraging them to ask questions, stay curious, and perform basic experiments. The chapter shows that science is a way of thinking rather than just a list of facts. It shows how simple acts, like watching shadows or flying paper planes, can spark massive scientific discoveries. Ultimately, it aims to show how science relates to daily life, protecting the environment, and our duty to society. This prepares young minds to learn actively by doing and thinking.
In simple words: This chapter aims to make us curious, teach us to do experiments, and show how science is part of our everyday life.

Exam Tip: Talk about building a "scientific mindset" and "connecting science to daily life" to score maximum points.

Question. How are the NCERT Textbook Solutions for Class 7 Science Chapter 1 helpful for students?
Answer: These updated solutions are very helpful because they explain ideas in simple and easy language. They cover all types of questions, including very short, short, and medium-type answers. They follow the newest syllabus pattern. These answers support the curious style of the new book. They help children think deeply instead of just memorizing answers. By using everyday examples, they make science ideas easy to understand.
In simple words: These solutions explain science lessons in a very easy way. They use real-life examples to make learning fun and help you think like a scientist.

Exam Tip: Mention how the solutions focus on "simple language" and "everyday examples" to make learning easier.

Question. Why is asking questions considered more important than just finding answers in science?
Answer: In the world of science, asking questions is key because new inventions always start with a curious mind. When we ask questions, we behave like real scientists who want to explore what is unknown. Famous scientists did not just know a lot of answers - they asked bold, creative questions that led to major discoveries. Asking questions builds thinking skills and opens new ways of learning. This is why we must always stay curious and ask 'how' and 'why' about everything.
In simple words: Asking questions is how we discover new things. It helps us think deeply like real scientists instead of just memorizing what is already known.

Exam Tip: Emphasize that "asking questions" is the starting point of all new discoveries and inventions.