Grade 9 science

IXL offers dozens of grade 9 science skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, provincial curriculum or standardized test.

IXL offers dozens of grade 9 science skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, provincial curriculum or standardized test.

B. Laboratory equipment and safety

  1. 1
    Identify laboratory tools
  2. 2
    Identify parts of a light microscope
  3. 3
    Laboratory safety equipment

E. The chemistry of life

  1. 1
    Chemistry of water
  2. 2
    Properties of water: cohesion and adhesion
  3. 3
    Structure and function: carbohydrates, lipids, proteins and nucleic acids

F. Multicellular organisms

  1. 1
    Organization in the human body: the heart and the circulatory system
  2. 2
    Homeostasis and feedback loops
  3. 3
    Science literacy: how does the nervous system produce phantom pain?

G. Cell energy

  1. 1
    The chemistry of photosynthesis
  2. 2
    The chemistry of cellular respiration

H. Cell growth and division

  1. 1
    Introduction to cell division
  2. 2
    The cell cycle
  3. 3
    Describe phases of mitosis and the cell cycle
  4. 4
    Identify phases of mitosis and the cell cycle in plant cells

I. DNA

  1. 1
    Introduction to the genetic code
  2. •
    New! DNA replication

J. Meiosis and sexual reproduction

  1. 1
    Sexual reproduction and genetic variation: part I
  2. 2
    Sexual reproduction and genetic variation: part II

N. Biodiversity

  1. 1
    Kelp forests: factors affecting biodiversity

O. Atoms, elements and ions

  1. 1
    What are atoms and chemical elements?
  2. •
    New! Introduction to the periodic table
  3. 2
    Count subatomic particles in atoms and ions
  4. 3
    Nuclear notation for atoms and ions

Q. Chemical bonding

  1. 1
    Introduction to chemical bonding
  2. 2
    Determine which type of chemical bond can form

R. Nomenclature

  1. 1
    Name binary ionic compounds
  2. 2
    Name ionic compounds containing polyatomic ions
  3. 3
    Write chemical formulas of ionic compounds
  4. •
    New! Write chemical formulas of binary covalent compounds

T. Solutions

  1. 1
    Compare concentrations of solutions
  2. 2
    Solve problems using solubility curves

U. Energy transfer and energy transformation

  1. 1
    Explore energy transformations: roller coaster ride
  2. 2
    Explore energy transformations: bike ride
  3. 3
    Compare thermal energy transfers

V. Electrical circuits

  1. 1
    Ohm's law: voltage, current and resistance

W. Natural resources and human impacts

  1. 1
    Evaluate claims about natural resource use: groundwater
  2. 2
    Evaluate claims about natural resource use: fossil fuels

Y. Weather and climate

  1. 1
    Factors affecting climate: surface ocean currents
  2. 2
    The greenhouse effect