Year 9 science

IXL offers more than 100 year 9 science skills to explore and learn! Not sure where to start? Go to your personalised Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, territory curriculum or standardised test.

IXL offers more than 100 year 9 science skills to explore and learn! Not sure where to start? Go to your personalised Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, territory curriculum or standardised test.

C. Laboratory equipment and safety

  1. 1
    Identify laboratory tools
  2. 2
    Identify parts of a light microscope

E. Cell structure

  1. 1
    Cells and cell theory

F. Multicellular organisms

  1. 1
    Organisation 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
    Structure and function: nucleic acids
  2. 2
    Introduction to the genetic code

K. Meiosis and sexual reproduction

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

L. Plant reproduction

  1. 1
    Angiosperm and conifer life cycles
  2. 2
    Moss and fern life cycles

M. Patterns of inheritance

  1. 1
    Genetics vocabulary: genotype and phenotype
  2. 2
    Genetics vocabulary: dominant and recessive
  3. 3
    Punnett squares: Mendelian inheritance

P. Biodiversity

  1. 1
    Kelp forests: factors affecting biodiversity

Q. Properties of matter

  1. 1
    Classify matter using physical and chemical properties

R. Energy changes

  1. 1
    Identify exothermic and endothermic processes

S. Atomic structure

  1. 1
    Count subatomic particles in atoms and ions
  2. 2
    Nuclear notation for atoms and ions

T. Nuclear chemistry

  1. 1
    Classify nuclear reactions

U. Quantum model of the atom

  1. 1
    Identify the electron configuration of an atom or ion

V. Periodic trends

  1. 1
    Periodic trends: Ionisation energy

W. Chemical bonding

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

X. Nomenclature

  1. 1
    Name binary ionic compounds
  2. 2
    Name ionic compounds containing polyatomic ions
  3. 3
    Write chemical formulas of ionic compounds

Y. Balancing chemical equations

  1. 1
    Count atoms in chemical reactions using models
  2. 2
    Count atoms in chemical equations
  3. 3
    Balance chemical equations I

Z. Chemical reactions

  1. 1
    Classify chemical reactions
  2. 2
    Single replacement reactions

AA. Rates of reactions

  1. 1
    Factors that affect reaction rate

BB. Acids and bases

  1. 1
    The pH scale
  2. 2
    Calculations involving the pH of strong acids and bases

CC. Motion in one dimension

  1. 1
    Distance and displacement in one dimension
  2. 2
    Solve problems using kinematic equations

DD. Forces and laws of motion

  1. 1
    Newton's laws of motion
  2. 2
    Newton's first law of motion
  3. 3
    Newton's second law of motion

EE. Work, energy and power

  1. 1
    Conservation of mechanical energy

FF. Waves

  1. 1
    Transverse waves
  2. 2
    Longitudinal waves
  3. 3
    Compare energy of waves
  4. 4
    Waves on strings

GG. Sound

  1. •
    Coming soon: Sound waves: speed, frequency and wavelength

HH. Electromagnetic waves

  1. 1
    Electromagnetic waves
  2. 2
    Applications of infrared waves
  3. 3
    Effects of ultraviolet waves

II. Electric circuits

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

JJ. Magnetism

  1. 1
    Magnets and magnetism

KK. Natural resources and human impacts

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

LL. Earth's cycles

  1. 1
    Describe the geosphere, biosphere, hydrosphere and atmosphere

MM. Earth's features

  1. 1
    Label Earth features at tectonic plate boundaries
  2. 2
    Describe tectonic plate boundaries around the world

OO. Astronomy

  1. 1
    Structure of the universe
  2. 2
    Properties and classifications of stars