🔬 Grade 9 Science

Units

1. Unit 1

   🧫Cells from Cells

   How cells copy their DNA and divide by mitosis, the stages in order, why cells divide for growth and healing, and what can go wrong when cell growth isn't controlled.

   Outcome: RE9.2 · mitosis, meiosis and cellular reproduction

2. Unit 2

   🌱Reproduction

   How organisms reproduce with one parent or two, why sexual reproduction creates variety, the parts of a flower, and the strengths and weaknesses of each approach.

   Outcome: RE9.1, RE9.3 · genetic information, and sexual and asexual reproduction

3. Unit 3

   ⚛️Inside the Atom

   Protons, neutrons and electrons, how Dalton, Thomson, Rutherford and Bohr's models changed with evidence, atomic and mass numbers, and drawing the electron shells of the first 20 elements.

   Outcome: AE9.2 · historical models of the atom

4. Unit 4

   🧪The Periodic Table

   Groups and periods, metals, non-metals and metalloids, alkali metals, halogens and noble gases, and how valence electrons and shells explain the patterns.

   Outcome: AE9.3 · elements, and the periodic table

5. Unit 5

   💧Elements & Compounds

   Elements, compounds and mixtures, reading chemical formulas, physical and chemical properties and changes, density, and common household chemicals, including why some should never be mixed.

   Outcome: AE9.1, AE9.3 · physical and chemical properties, elements and compounds

6. Unit 6

   ⚡Static Electricity

   Positive and negative charges and the particles behind them, charging by friction, contact and induction, conductors and insulators, and electrical safety in a thunderstorm.

   Outcome: CE9.1 · static electric charge

7. Unit 7

   🔌Circuits & Ohm's Law

   Circuit components and their jobs, current, potential difference and resistance with their symbols and SI units, calculating with V = I × R, and how current, voltage and resistance behave in series and parallel circuits.

   Outcome: CE9.2 · voltage, current and resistance in circuits

8. Unit 8

   🔌Electric Current

   Static electricity, current, voltage and resistance, solving V = I × R, series and parallel circuits, electrical safety, and electricity generation in BC.

   Outcome: CE9.1, CE9.2 · current electricity

9. Unit 9

   💡Electrical Energy

   The difference between electricity and electrical energy, energy in joules and kilowatt-hours, cost of electricity, efficiency of devices, and the benefits and challenges of sources such as hydro, wind, solar, nuclear and gas.

   Outcome: CE9.3, CE9.4 · electrical devices, energy costs and efficiency

10. Unit 10

    🪐Motion in Our Universe

    How gravity keeps planets in orbit, rotation and revolution, the seasons, the Moon, the planets, stars, galaxies, and how light-years measure huge distances.

    Outcome: EU9.1 · the motion and characteristics of astronomical bodies in the solar system and the universe

11. Unit 11

    💥Origins of the Universe

    The Big Bang and the evidence for it, how the solar system formed, star life cycles, and how different cultures, including First Nations and Métis communities, understand and represent the sky.

    Outcome: EU9.2, EU9.3 · scientific explanations of how the solar system and universe formed, and how cultures including First Nations and Métis understand the sky

12. Unit 12

    🚀Exploring Space

    Telescopes, satellites, space probes and rovers, the Canadarm, Canadian astronauts such as Roberta Bondar and Chris Hadfield, how space science helps life on Earth, and space careers.

    Outcome: EU9.4 · human capabilities, technologies and programs for exploring and understanding the universe