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Year 9 Chemistry: Scientific Investigations, Materials, and Chemical Reactions

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Physical & Chemical Changes

  • Guided course
    Chemical Change Example
    01:52
  • Guided course
    Reversible Changes in Matter
    03:42
  • Guided course
    Physical Change Example
    01:52

Chemical Properties

  • Guided course
    Chemical Properties Example
    01:34
  • Guided course
    Chemical Properties
    03:31

The Atom

  • Guided course
    The Nucleus
    02:53
  • Guided course
    Atom Structure
    02:10
  • Guided course
    Atom Structure Example
    02:52

Subatomic Particles

  • Guided course
    Subatomic Particles
    05:19
  • Guided course
    Atomic Mass Unit Example
    03:31

Radioactive Half-Life

  • Guided course
    Method 3 of Radioactive Half-Life Example
    04:26
  • Guided course
    Intro to Radioactive Half-Life
    01:30
  • Guided course
    Method 1 of Radioactive Half-Life Example
    00:55

Alpha Decay

  • Guided course
    Alpha Decay
    03:53
  • Guided course
    Characteristics of Alpha Particles
    02:48
  • Guided course
    Alpha Decay Reaction Example
    01:22

Beta Decay

  • Guided course
    Beta Decay Reaction Example
    01:21
  • Guided course
    Beta Decay
    03:01
  • Guided course
    Characteristics of Beta Particles Example
    01:02

Gamma Emission

  • Guided course
    Gamma Emission Reaction Example
    02:16
  • Guided course
    Characteristics of Gamma Rays
    01:35
  • Guided course
    Characteristics of Gamma Rays Example
    01:21

Law of Conservation of Mass

  • Guided course
    Law of Conservation of Mass Example
    01:20
  • Guided course
    Law of Conservation of Mass
    01:48

Periodic Table: Classifications

  • Guided course
    Nonmetal Properties
    01:12
  • Guided course
    Periodic Table Classifications
    02:40
  • Guided course
    Metalloid Properties
    03:37