Lesson 0 of 11
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Show on a big screenA tap runs slowly most mornings. Nobody has written anything down. Where do you start?
Read Chapter 1, The Ever-Evolving World of Science, in your NCERT book. The chapter says science is a way of thinking. You ask questions, test ideas, and accept new answers that pass tests.
What you will do
- Drop an idea that a trusted record does not fit.
- Count evidence, the checked facts, for two explanations.
- See how a finer tool shows more.
- Test where a simple model works.
- Compare the results of two groups.
- Pick a test that tells two ideas apart.
- Find the questions one answer can fit.
- Judge a choice by what it does to nature.
Each lesson starts with a small lab. Read the words after it.
Need a quick recap?
- Say what you expect first (Class 6). A guess said first can be tested.
- One try can fool you (Class 6). Repeat a test and take the average.