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General Knowledge Class 6 - Science And-Technology Notes

Comprehensive study notes for Class 6 - Science And-Technology olympiad preparation

Science and Technology

Welcome to the chapter on Science and Technology for Class 6. In this chapter, you will learn about important discoveries, inventions, and new technologies that are changing our world. By the end of this chapter, you will know about famous scientists, useful inventions, and how technology helps us every day!

Introduction

Science helps us understand the world around us. Technology uses science to make new tools and machines. Together, they make our lives easier and better.

Famous Scientists and Their Discoveries

  • Isaac Newton: Discovered gravity.
  • Marie Curie: Discovered radium and polonium.
  • Albert Einstein: Developed the theory of relativity.
  • C.V. Raman: Discovered the Raman Effect.

Important Inventions

  • Telephone – Alexander Graham Bell
  • Light Bulb – Thomas Edison
  • Aeroplane – Wright Brothers
  • Computer – Charles Babbage (known as the father of computers)

Latest Technologies

  • Smartphones help us talk, play, and learn.
  • Robots help in factories, hospitals, and homes.
  • Internet connects people all over the world.
  • Solar panels use sunlight to make electricity.

Science and Technology in Daily Life

  • We use computers and mobile phones for study and fun.
  • Microwave ovens help us cook food quickly.
  • Vaccines protect us from diseases.
  • Transport like cars, trains, and planes make travel easy.

Fun Activity: Technology Hunt!

Look around your home and list five things that use science or technology. Share your list with your friends!

Summary

  • Science helps us understand nature and the universe.
  • Technology uses science to make useful things.
  • Many inventions and discoveries have made life easier.

Practice Questions

  1. Who discovered gravity?
  2. Name two inventions that help us communicate.
  3. What does a solar panel do?
  4. How does the internet help us?
  5. Name a scientist from India mentioned in this chapter.

Challenge Yourself

  • Find out about a new invention and write two sentences about it.
  • Draw a picture of a machine you use every day.

Did You Know?

  • The first computer was as big as a room!
  • Robots can do surgery in hospitals.

Glossary

  • Science: The study of the world around us.
  • Technology: Using science to make tools and machines.
  • Invention: Something new that is made for the first time.
  • Discovery: Finding something that was not known before.

Answers to Practice Questions

  1. Isaac Newton
  2. Telephone, computer (any two: mobile phone, internet, etc.)
  3. It makes electricity from sunlight.
  4. It helps us find information and talk to people anywhere.
  5. C.V. Raman

Science and technology make our world exciting! Keep learning about new inventions and discoveries.

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