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General Knowledge Class 2 - Science And-Technology Notes

Comprehensive study notes for Class 2 - Science And-Technology olympiad preparation

Science and Technology

Welcome to the chapter on Science and Technology for Class 2. In this chapter, you will learn about simple science facts and how technology helps us in our daily life. By the end of this chapter, you will know how science and technology make our world better!

Introduction

Science helps us understand the world around us. Technology means using science to make things that help us, like computers, phones, and machines.

What is Science?

  • Science is learning about plants, animals, air, water, and more.
  • Scientists study and discover new things.
  • Science helps us stay healthy and safe.

What is Technology?

  • Technology is using tools and machines to make life easy.
  • Examples: Computers, mobile phones, washing machines, cars.
  • Technology helps us talk to friends, travel, and learn new things.

Science and Technology in Daily Life

  • We use fans and lights at home (electricity).
  • We watch TV and use computers for fun and learning.
  • Doctors use machines to help us stay healthy.
  • We travel in cars, buses, and trains.

Fun Activity: Spot the Technology!

Look around your house and make a list of things that use technology (like fridge, TV, phone). Share your list with your class!

Summary

  • Science helps us learn about the world.
  • Technology makes our life easy and fun.
  • We use science and technology every day.

Practice Questions

  1. Name two things at home that use technology.
  2. Who studies science?
  3. How does technology help us talk to friends?
  4. Name a machine that helps doctors.
  5. Why is science important?

Challenge Yourself

  • Draw a picture of your favorite machine and write how it helps you.
  • List three ways technology helps you learn new things.

Did You Know?

  • The first computer was made more than 80 years ago!
  • Robots can help people do work in factories and hospitals.

Glossary

  • Science: Learning about the world around us.
  • Technology: Using machines and tools to help us.
  • Machine: Something made to do work easily.
  • Electricity: Power that helps machines work.

Answers to Practice Questions

  1. TV, fridge (any two: computer, washing machine, phone, etc.).
  2. Scientists.
  3. By using phones and computers.
  4. X-ray machine, thermometer (any machine used by doctors).
  5. It helps us learn, stay healthy, and solve problems.

Science and technology make our world smart and safe. Use them wisely!

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