Sec 1 Science Notes Singapore

Chapter 1: The Scientific Endeavour

Chapter 2: Exploring Diversity Of Matter By Its Physical Properties

Chapter 3: Exploring Diversity Of Matter By Its Chemical Composition

Chapter 4: Exploring Diversity Of Matter Using Separation Techniques

Chapter 5: Ray Model Of Light

Chapter 6: Model of cells - The Basic Units Of Life

Chapter 7: Model of matter - The Particulate Nature Of Matter

Chapter 8: Model Of Matter - Atoms And Molecules

Chapter 8 : Model Of Matter - Atoms And Molecules

- An atom cannot be seen with naked eye ( extremely small)

  • 1 million carbon atoms = diameter of a strand of hair that is between 0.001 - 0.006

  • 50 million hydrogen atoms = a strain of rice that is 0.5 cm

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Learn how to find the number of neutrons in periodic table by watching this interesting video