Grade 9 science links biology, Earth, physics and chemistry. Our program explores body regulation, the carbon cycle, energy, atoms and chemical reactions with examples from across Canada, from boreal forests to hydroelectric power.

Key Topics Covered:

Body regulation and feedback, reproduction, the carbon cycle, heat, sound and electromagnetic radiation, conservation of energy, atoms and isotopes, radioactivity, chemical reactions and investigation skills.

Parent Tip:

Grade 9 science builds the evidence and modelling skills used in every senior science course. Strong foundations in energy, atoms and reactions make Grade 10 much easier.

Explain body regulation and negative feedback

Trace carbon through Earth's systems and explain the greenhouse effect

Apply conservation of energy and compare efficiency

Describe atoms, isotopes and half-life

Write and balance simple chemical equations

Build evidence-based arguments and communicate findings

Student drawing a carbon cycle diagram for Grade 9 science at home in Canada

No.	Topic	What We Cover
01	Stimuli, Responses and Body Regulation	Explore how the body senses and responds to stimuli and which systems help.
02	Nervous and Endocrine Coordination	Compare fast nerve impulses with slower hormone signals.
03	Negative Feedback Mechanisms	Model receptor, control centre and effector pathways that keep the body stable, such as temperature control in cold weather.
04	Feedback Disorders and Health	Look at what happens when feedback systems fail and how science helps with treatment.
05	Reproductive Systems and Gametes	Describe the structure and function of reproductive organs and gametes in a factual, age-appropriate way.
06	Sexual and Asexual Reproduction	Compare sexual and asexual reproduction and how each affects variation and survival.
07	Plant Reproduction	Compare reproductive strategies in plants and how they suit different environments.
08	Animal Reproductive Strategies	Analyze how environment, number of offspring and parental care are linked.
09	Biology Inquiry and Data Skills	Form hypotheses, plan valid investigations and analyze secondary data.
10	Term 1 Review	Revise regulation, feedback and reproduction through models and data. A termly mock test and parent report follow.

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Student in a tutoring session with their tutor

Warm-up (5 min)

Quick review of the previous session and a what-do-you-notice question

Core Teaching (25 min)

New idea from the lesson eBook, with demonstrations and examples

Guided Practice (15 min)

Student works through a data set or investigation with tutor support

Independent Practice (10 min)

Student completes the in-class quiz independently

Wrap-up (5 min)

Summary, 2 take-home quizzes and a preview of the next session

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Grade 9 English

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No.	Topic	What We Cover
11	Earth as an Interacting System	Name the geosphere, biosphere, hydrosphere and atmosphere and how matter and energy move between them.
12	The Carbon Cycle	Show carbon stores and flows through photosynthesis, respiration, decomposition and combustion, including in Canada's boreal forest.
13	Combustion and Human Impacts on Carbon	Analyze how burning fuels and human activity change atmospheric carbon dioxide.
14	Greenhouse Effect and Climate Connections	Explain the greenhouse effect and the role of carbon dioxide in climate.
15	Carbon Storage and Solutions	Investigate natural and technological carbon storage and ways to cut carbon footprints.
16	Heat: The Particle Model	Use the particle model to explain conduction and convection, such as home heating in winter.
17	Sound Energy and Waves	Model sound as a wave and see how materials change how it travels.
18	Electricity: Current and Voltage	Use particle ideas to explain static electricity, current and voltage.
19	Light and Electromagnetic Radiation	Use wave and particle models to explain light and the electromagnetic spectrum.
20	Term 2 Review	Revise the carbon cycle and energy transfer in unfamiliar contexts. A termly mock test and parent report follow.

No.	Topic	What We Cover
21	Conservation of Energy	Apply the law of conservation of energy and tell transfer from transformation.
22	Efficiency and Sankey Diagrams	Compare energy inputs, useful outputs and waste and read Sankey diagrams.
23	Energy Technologies and Efficiency	Compare efficiency in power generation, appliances and machines, including hydroelectric power in Canada.
24	Development of the Atomic Model	Trace how new evidence for electrons, protons and neutrons changed models of the atom.
25	Atomic Structure and Isotopes	Compare subatomic particles and explain isotopes and stability.
26	Radioactive Decay and Half-Life	Describe alpha, beta and gamma decay and use graphs to model half-life.
27	Applications of Radioisotopes	Examine uses of radioactivity in medicine, industry and dating and weigh benefits and risks.
28	Chemical Reactions: Atoms Rearranged	Identify reactants and products and use particle models to show atoms rearranging.
29	Word and Balanced Equations	Write word equations and simple balanced equations and explain balancing.
30	Term 3 Review	Revise energy, atoms and chemical reactions. A termly mock test and parent report follow.

No.	Topic	What We Cover
31	How Science Is Validated	See how evidence, publication and peer review validate and refine knowledge.
32	Science and Technology Advance Together	Explore how imaging, communications and monitoring tools and science move each other forward.
33	Adoption of Science in Society	Analyze what affects whether scientific ideas are adopted, such as evidence, cost and culture.
34	Societal Values and Research Priorities	See how social needs, environmental concerns, funding and values shape research.
35	Questions, Hypotheses and Models	Form testable questions and hypotheses and build explanatory models.
36	Validity, Reproducibility and Ethics	Plan valid, repeatable investigations, control variables and manage risk and ethics.
37	Precision, Sample Size and Data	Choose equipment, record data with suitable precision and use enough trials.
38	Data Representation and Relationships	Build tables, graphs and models and find mathematical relationships in data.
39	Analyzing and Evaluating Evidence	Spot patterns, trends, anomalies and uncertainty and judge validity.
40	Grade 9 Review and Grade 10 Readiness	Build an evidence-based argument, communicate findings for an audience and preview Grade 10 science. A termly mock test and parent report follow.

Grade 9 Science Tutoring in Canada

By Term 4 of Grade 9 Science, Your Child Will...

Grade 9 Science Curriculum, Term by Term

Try a Free Lesson to See the Full Program

Try a Free Lesson to See the Full Program

Try a Free Lesson to See the Full Program

Try a Free Lesson to See the Full Program