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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

 For full notes, click here.

For free practice questions, click here. 

Atoms and Molecules

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

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