Hinglish

Chapter 1: The Wonderful World of Science

Welcome to science! In this first chapter we find out what science is, see that it is all around us, and learn the simple steps scientists use to answer questions: observe, ask, guess and test.

In this chapter you will

  • understand what science is and where we find it
  • use the steps of the scientific method
  • plan a fair test

Topics

  1. What is Science? NCERT Ch 1

    Science is a way of observing, thinking and testing to understand the world.

  2. How We Find Answers: Observe, Guess, Test NCERT Ch 1

    Scientific method: observe, ask, guess, test, conclude. A wrong guess leads to a new guess.

Key words

Science
a way of observing, thinking and testing to understand the world
Curiosity
the wish to know why and how
Observation
something we notice using our senses
Hypothesis
a guess that can be tested
Experiment
a test done to check a guess
Fair test
a test in which only one thing is changed

Summary

  • Science is a way of observing, thinking and testing to understand the world.
  • Science is everywhere, and new discoveries keep adding to (and sometimes changing) what we know.
  • The scientific method: observe, ask a question, make a guess, test it, and conclude.
  • In a fair test only one thing is changed.

Final exercise: test yourself on the whole chapter →