RBSE Solutions Class 6 Science Chapter 15 Science in Daily life

Tick the Correct Answer From the Following

Question 1. By which equipment does science bring revolution in the field of education?
(a) Television
(b) Radio
(c) Computer
(d) Tape recorder
Answer: (c) Computer
In simple words: Computers have changed education a lot. They help people learn new things and make teaching easier.

🎯 Exam Tip: When answering about scientific impact, think about the most transformative tools that changed how tasks are done.

Question 2. What does science give in the field of education?
(a) Fax
(b) Television
(c) Telephone
(d) All of the options
Answer: (d) All of the options
In simple words: Science has given us many things like Fax, Television, and Telephone. All of these help in education by making it easier to share information and learn from far away.

🎯 Exam Tip: Remember that "All of the options" is often a correct choice in MCQs if multiple items listed are applicable to the question.

Question 3. Which among the following is not a means of entertainment?
(a) Video game
(b) Fax
(c) Computer
(d) TV
Answer: (b) Fax
In simple words: A fax machine is mainly used for sending documents, not for fun. Video games, computers, and TV are all common ways people entertain themselves.

🎯 Exam Tip: Carefully read the word "not" in the question to avoid choosing an option that *is* a means of entertainment.

Activities

Activity - 1 (Page 126)

Fill in the Blanks

Question 1. The systematic knowledge collected through observation of nature is called ..........
Answer: science
In simple words: When we carefully watch nature and gather facts in an organized way, that way of learning is called science.

🎯 Exam Tip: The definition of science focuses on systematic observation and knowledge collection.

Question 2. Because of the development of science many .......... nations today are able to generate electricity from .......... energy.
Answer: atomic
In simple words: Science helped many countries learn how to make electricity. They do this by using atomic energy.

🎯 Exam Tip: This question tests knowledge of modern energy sources and their scientific basis.

Question 3. Sending mails through internet is known as ..........
Answer: e - mail
In simple words: Sending messages over the internet is known as email. This is a very fast way to communicate.

🎯 Exam Tip: This is a common term. Ensure you spell "e-mail" correctly with the hyphen.

Match the Following

Question. Match Column A with Column B.
Answer:

🎯 Exam Tip: Read both columns carefully and link each item to its primary use or field of application.

Short Answer Questions

Question 1. What is science?
Answer: Science is a way of gaining knowledge. It involves carefully watching and studying nature in a systematic way. This helps us understand how the world works.
In simple words: Science is organized knowledge that we get by watching and studying nature.

🎯 Exam Tip: Key terms like "systematic knowledge" and "observation of nature" are important for defining science.

Question 2. Write the names of four electrical equipment's which are used in daily life.
Answer: Four common electrical appliances used daily are: 1. Television, 2. Washing machine, 3. Refrigerator, and 4. Microwave oven. These make our daily tasks much easier.
In simple words: Some electrical things we use daily are TV, washing machine, fridge, and microwave.

🎯 Exam Tip: Think about the electrical items you use most often at home to easily recall examples.

Question 3. Where does in Rajasthan the nuclear energy is converted into electrical energy and then used?
Answer: In Rajasthan, nuclear energy is changed into electrical energy at Rawatbhata. This place is located near Kota district. The electricity produced here is then used by many homes and industries.
In simple words: In Rajasthan, nuclear power is turned into electricity at Rawatbhata, near Kota.

🎯 Exam Tip: Remember the specific location "Rawatbhata near Kota" for the nuclear power plant in Rajasthan.

Question 4. What is tele medicine? Explain it.
Answer: Telemedicine is a modern medical method. It uses computers to give medical help to patients who are far away. This allows doctors to check and advise patients without them having to travel.
In simple words: Telemedicine uses computers to give medical help to people who live far away from doctors.

🎯 Exam Tip: Focus on the "distance" and "computer/modern technique" aspects in your explanation of telemedicine.

Long Answer Type Questions

Question 1. Explain the contribution of science in the field of education and medication.
Answer: Science has greatly helped both education and medicine. In education, science brought equipment like computers, internet, and smartboards that make learning easier and more fun. For medication, science has developed many different ways to treat illnesses and create medicines that keep us healthy. For example, modern tools like X-rays and CT scans help doctors see inside the body to find problems. Surgeries can now be done with lasers, which is safer and more precise. Telemedicine, using computers, also lets doctors help patients who are far away, making healthcare more accessible.
In simple words: Science gave us computers for better learning and advanced tools like X-rays and new medicines for better health. It helps doctors treat people from anywhere.

🎯 Exam Tip: When discussing contributions, provide specific examples for each field (e.g., computers/internet for education, X-rays/telemedicine for medication).

Question 2. What is scientific method? Write down its different steps.
Answer: The scientific method is a systematic way that scientists use to solve a problem or answer a question. It is a logical approach to discover facts. The steps of the scientific method are:
1. Identifying the problem or question clearly.
2. Collecting and organizing all the relevant information and facts.
3. Forming a hypothesis, which is an educated guess about the answer.
4. Testing the hypothesis through careful experiments to see if it is correct.
5. Making theories and laws based on the results and conclusions of the experiments.
In simple words: The scientific method is a step-by-step way to solve problems. It involves identifying a problem, gathering facts, guessing an answer (hypothesis), testing it, and then making rules or theories based on what was found.

🎯 Exam Tip: Listing the steps in the correct order is crucial for describing the scientific method accurately.

Question 3. How can science be helpful in the developments of villages? Explain in brief.
Answer: Science plays a very important role in helping villages grow and improve. It can make village life better in many ways:
1. Providing better communication tools like TV, radio, mobile phones, fax, and internet to connect villages with the outside world.
2. Improving transport systems with trains, buses, and taxis, making it easier for people and goods to move.
3. Setting up good medical facilities so villagers can get proper healthcare.
4. Offering good education through e-education, computers, and multimedia, allowing children to learn more.
5. Introducing new farming methods, tools, pesticides, and fertilizers to help farmers grow more crops.
6. Raising the overall quality of life in villages by using modern technology.
In simple words: Science helps villages by giving them better ways to talk (like phones and internet), travel (like buses), get health care, educate children, and grow crops. It makes village life modern and easier.

🎯 Exam Tip: Focus on practical applications of science in various sectors relevant to rural development like communication, transport, health, education, and agriculture.

Other Important Questions

Question 2. Which is not electrical appliance
(a) Electric press
(b) Gas stove
(c) Fridge
(d) Television
Answer: (b) Gas stove
In simple words: An electric press, fridge, and television all need electricity to work. A gas stove, however, uses gas and does not need electricity to function.

🎯 Exam Tip: Identify the power source for each item; electrical appliances require electricity.

Question 3. 3G and 4G services are related to
(a) Transport
(b) Medicine
(c) Communication
(d) Security
Answer: (c) Communication
In simple words: 3G and 4G are types of mobile networks. They help us make calls, send messages, and use the internet, which are all parts of communication.

🎯 Exam Tip: 3G and 4G refer to generations of mobile technology, which is directly linked to communication services.

Question 4. Which is the latest technique to send massage by internet is
(a) Radio
(b) Telegraph
(c) Fax
(d) E-mail
Answer: (d) E - mail
In simple words: Email is the most common and fastest way to send messages over the internet. Other options like radio, telegraph, and fax are older ways of sending information.

🎯 Exam Tip: Consider which option is explicitly internet-based and widely used for messaging today.

Question. Which of the following services is not related to banking?
(d) Banking
Answer: (d) Banking
In simple words: This question seems to have a typo, as "Banking" is obviously related to banking. However, in the context of identifying an unrelated service, if the choices were things like "ATM, Internet Banking, Loans, and Fishing," then fishing would be unrelated. Assuming it intended to ask which *is* related, or had other options, but based on the provided answer, "Banking" is the broad field.

🎯 Exam Tip: Pay close attention to the exact wording of the question and options, as sometimes questions can be phrased in a confusing way or may have missing context.

Fill in the Blanks

Question 1. .......... is considered to be the oldest book on the subject of Ayurved medicine.
Answer: Charak code
In simple words: The Charak code is known as the most ancient book about Ayurvedic medicine. It holds a lot of old wisdom.

🎯 Exam Tip: Remember the specific name "Charak code" as a key text in Ayurvedic history.

Question 2. The greatest achievement given by man is ..........
Answer: power
In simple words: The greatest thing humans have achieved is gaining power. This power helps us shape the world.

🎯 Exam Tip: This question has a philosophical aspect, so consider "power" in a broad sense, meaning control or influence.

Question 3. .......... is remembered as the father of the nuclear science in India.
Answer: Dr. Homi Jahangir Bhabha
In simple words: Dr. Homi Jahangir Bhabha is known as the father of nuclear science in India. He did very important work.

🎯 Exam Tip: Know the names of important scientists and their contributions, especially in your country.

Question 4. .......... reduce the distance of long distances.
Answer: super fast trains
In simple words: Super fast trains make long journeys feel much shorter. They help people travel quickly across big distances.

🎯 Exam Tip: Think about modern transportation methods that significantly cut down travel time.

Very Short Answer Type Questions

Question 1. Who wrote the famous book Charak code.
Answer: Rishi Charak wrote the famous book called Charak code. This ancient book is very important for understanding Ayurvedic medicine. It contains a lot of knowledge about health and treatments.
In simple words: Rishi Charak wrote the well-known book "Charak code."

🎯 Exam Tip: Remember "Rishi Charak" as the author of the "Charak code" for historical medicine questions.

Question 2. Name four branches of science.
Answer: Four main branches of science are: 1. Physical science, 2. Chemical science, 3. Biological science, and 4. Medical science. Each branch studies a different part of the world around us.
In simple words: Four types of science are Physical, Chemical, Biological, and Medical science.

🎯 Exam Tip: Be able to list the major divisions of science and what each generally studies.

Question 3. Name two scientific achievement in the field of communication.
Answer: Two great scientific achievements in communication are the invention of the telephone and the internet. The telephone allowed people to talk across long distances instantly, while the internet connected the world with a vast network of information and communication tools. These inventions changed how we connect.
In simple words: The telephone and the internet are two big science achievements that helped people communicate better.

🎯 Exam Tip: Think about inventions that dramatically changed how people send and receive messages over distance.

Question 4. How science make our life simple?
Answer: Science makes our lives simple by improving many things we do every day. It changes our living styles, food habits, and medical treatments. For example, household appliances make chores easier, and new farming methods provide more food. Thanks to science, things like cooking, traveling, and staying healthy are much simpler than before.
In simple words: Science makes life simple by improving how we live, eat, and get medical help.

🎯 Exam Tip: Give examples of daily activities where science has brought ease and efficiency.

Question 5. Name two inventions which make farmer's work easier.
Answer: Two inventions that make a farmer's work easier are the thresher and modern tractors. A thresher quickly separates grain from stalks, saving a lot of time and effort. Modern tractors help with plowing, planting, and harvesting much faster than manual labor or old methods. These machines greatly increase farm productivity.
In simple words: The thresher and modern tractors are two inventions that help farmers do their work more easily.

🎯 Exam Tip: Focus on agricultural tools that mechanize or speed up traditional farming tasks.

Question 6. Name two industries which are machines based.
Answer: Two industries that heavily rely on machines are the motor industry and cloth mills. The motor industry uses many machines to build cars, bikes, and other vehicles. Cloth mills use complex machines to spin thread and weave fabric from raw materials. Without machines, these industries could not operate efficiently.
In simple words: The motor industry (making cars) and cloth mills (making fabric) both use many machines to do their work.

🎯 Exam Tip: Think of industries that involve large-scale manufacturing and automated processes.

Question 7. Name two scientific tools used in the banking sector.
Answer: Two scientific tools used in the banking sector are ATM (Automated Teller Machine) and the Internet. ATMs allow people to withdraw money and do other banking tasks without needing a bank employee. The internet enables online banking, making it possible to manage accounts and transfer money from anywhere at any time. Both use advanced technology to simplify banking.
In simple words: ATMs and the Internet are two scientific tools used in banking to make tasks easier.

🎯 Exam Tip: Consider the technology that has automated or digitized banking services.

Short Answer Type Questions

Question 1. What type of scientific description is found in Charak Samhita.
Answer: The Charak Samhita is an ancient text that scientifically explains the birth and growth of a child. It describes the structure of different body parts and provides knowledge about human anatomy. This book offers detailed insights into the human body from a scientific perspective, making it a valuable historical medical document.
In simple words: The Charak Samhita explains how a child is born and grows. It also describes different parts of the human body in a scientific way.

🎯 Exam Tip: Highlight the specific aspects of human biology (birth, growth, body structure) covered in the Charak Samhita.

Question 3. What was the contribution of sciences in the field of communication?
Answer: Science has greatly changed communication, especially in the 20th century. It gave us modern tools like radio, television, telephones, telegraphs, fax machines, and video conferencing. Mobile services such as 3G and 4G, along with eye pads and tablets, have also made communication faster and more mobile. Artificial satellites are also inventions of modern times that help with communication and weather forecasts. These advancements have connected people globally.
In simple words: Science helped communication with inventions like radio, TV, phones, fax, and mobile services. These tools made talking and sharing information much faster and easier.

🎯 Exam Tip: List a variety of communication technologies (both old and new) that are products of scientific advancement.

Question 4. Name four scientific equipment's in the field of medical science.
Answer: Four important scientific equipment used in medical science are: 1. X-ray, 2. CT Scan, 3. ECG (Electrocardiogram), and 4. Ultrasound. These tools help doctors look inside the body, find problems, and diagnose diseases accurately. They are essential for modern medical care.
In simple words: X-ray, CT Scan, ECG, and Ultrasound are four scientific tools doctors use to check our health.

🎯 Exam Tip: Focus on diagnostic tools that allow non-invasive examination of the body.

Question 5. Name four entertainment equipment's.
Answer: Four common pieces of entertainment equipment are: 1. Television, 2. Computer, 3. DVD Player, and 4. Blue Ray Player. These devices let people watch movies, play games, and enjoy various forms of media at home. They have become central to modern entertainment.
In simple words: TV, computers, DVD players, and Blue Ray players are common things we use for fun and entertainment.

🎯 Exam Tip: List electronic devices primarily designed for leisure and media consumption.

Question 6. How is science useful in building construction and in architecture?
Answer: Science is very useful in building construction and architecture by providing knowledge about materials and structures. It helps engineers and architects understand how different materials behave under stress, how to design strong foundations, and how to create safe and efficient buildings. Scientific principles guide the use of steel, concrete, and other materials to build tall structures and complex designs that are both beautiful and safe. It also helps in creating sustainable and energy-efficient buildings. The calculations of loads and forces on a building are based on scientific laws.
In simple words: Science helps build strong and safe buildings by teaching us about materials and how structures work. It guides architects to design useful and beautiful buildings.

🎯 Exam Tip: Emphasize the role of scientific principles in material science, structural engineering, and design for safety and efficiency in construction.

Long Answer Type Questions

Question 1. What are the benefits by study of science?
Answer: Studying science brings many benefits that help a person grow and understand the world better:
1. It helps a person move away from old, conservative ideas.
2. It develops independent thinking, allowing people to form their own opinions.
3. People learn more about events, problems, and activities happening around them.
4. It improves the ability to solve problems in a structured and logical way.
5. People learn to patiently find the reasons for failure and then try again.
6. It helps develop true ideas that are free from superstition.
7. It promotes a scientific point of view, encouraging curiosity and analysis.
All these benefits make a person more logical and open-minded.
In simple words: Studying science helps us think independently, understand the world, solve problems, and get rid of old beliefs. It makes us more logical and curious.

🎯 Exam Tip: Focus on the cognitive and intellectual benefits of scientific study, such as critical thinking and problem-solving skills.

Question 2. A disease of a patient is scientific for a doctor. To solve this problem what process he adopts.? Explain.
Answer: For a doctor, a patient's disease is like a scientific problem that needs solving. To find the correct solution (diagnosis and treatment), the doctor follows a systematic process, much like the scientific method:
1. The doctor first asks about the patient's symptoms, listening carefully to understand what is wrong.
2. Next, the doctor measures the patient's temperature using a thermometer.
3. The doctor then checks the patient's eyes, tongue, breath, and other physical signs.
4. All the observations and facts gathered are noted down on a prescription slip.
5. Based on these facts, the doctor forms a hypothesis about the possible disease. To confirm or reject this guess, the patient might be sent for more tests like stool, urine, or blood examinations, sonography, CT scans, or X-rays.
6. Finally, after clearly understanding the disease, the doctor prescribes the right medicines.
This methodical approach ensures an accurate diagnosis and effective treatment.
In simple words: When someone is sick, a doctor treats it like a puzzle. They ask about symptoms, check the body, do tests like X-rays if needed, and then give medicine after finding out what the sickness is.

🎯 Exam Tip: Outline the clinical process of diagnosis and treatment, relating it to the principles of systematic investigation.

Question 3. Write the achievements of science in the field of transport.
Answer: Science has made huge advancements in the field of transport, making travel faster, easier, and safer. Achievements include:
1. Humans have successfully reached the moon and sent spaceships to planets like Mars, expanding our ability to travel beyond Earth.
2. The creation of space stations and regular space travels by scientists are examples of human progress in space transport.
3. Booking journeys by buses, trains, and aeroplanes has become more convenient and quicker due to online systems and modern technology.
4. Air traffic control (ATC) systems, developed through science, help command and control aeroplane flights safely and efficiently.
5. Science also enables the operation and control of metro trains and ships, allowing for mass transit and global shipping.
These developments have greatly reduced travel times and connected the world.
In simple words: Science has helped us travel to the moon and other planets. It made booking bus, train, and plane tickets easier. Science also helps control flights and metro trains, making all travel faster and safer.

🎯 Exam Tip: Cover different modes of transport (space, air, land, water) and specific scientific innovations related to each, like air traffic control or booking systems.