Grade 9 Science
11 units matched to the New Brunswick Curriculum.
Learning focus
- Grade focus: Synthesis of the Grades 3 to 8 science topics: Earth and its place in the universe; ecosystems; molecules to organisms; biological evolution.
- Scientific Literacy: Investigation. Plan investigations to answer questions about relationships between and among variables observed in the solar system, ecosystems, and molecules and organisms.
- Scientific Literacy: Sensemaking. Analyze and interpret qualitative and quantitative data to construct explanations and conclusions.
- Scientific Literacy: Communication. Communicate procedure, result, and conclusion using a variety of media and working collaboratively.
- Learning and Living Sustainably: Responsible and Sustainable Application. Apply scientific and technological knowledge and an understanding of sustainable practices responsibly with respect to the solar system, ecosystems, and molecules and organisms.
Units
Unit 1
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.
Skill descriptor: Scientific Literacy: Sensemaking · reproduction in living things
Unit 2
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.
Skill descriptor: Scientific Literacy: Sensemaking · cell division and how cells make more cells
Unit 3
Atoms & Electrons
Protons, neutrons and electrons, drawing electron shells for the first 20 elements, valence electrons, periodic table groups and periods, and ions and isotopes.
Skill descriptor: Scientific Literacy: Sensemaking · atoms, electrons and the periodic table
Unit 4
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.
Skill descriptor: Scientific Literacy: Sensemaking · the parts of an atom
Unit 5
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.
Skill descriptor: Scientific Literacy: Sensemaking · the periodic table and what it tells us
Unit 6
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.
Skill descriptor: Scientific Literacy: Sensemaking · elements and compounds
Unit 7
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.
Skill descriptor: Scientific Literacy: Sensemaking · static charges
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.
Skill descriptor: Scientific Literacy: Sensemaking · electric current and circuits
Unit 9
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.
Skill descriptor: Scientific Literacy: Sensemaking · series and parallel circuits
Unit 10
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.
Skill descriptor: Scientific Literacy: Sensemaking · electrical energy and its use
Unit 11
Space Exploration
How optical and radio telescopes work, how scientists measure distance and motion in space, what satellites are used for, life-support needs for space travel, Canada's part in space exploration, and the risks and issues of using space.
Skill descriptor: Scientific Literacy: Sensemaking · technology for exploring space
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