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Grade 9 · School curriculum

Science

Learn the idea, see it worked through, then explain it in your own words.

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3 lessons available across 3 of 5 units

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01Biological processes1 lesson available · More topics to be added

Connect concepts with evidence, practical investigation and explanation.

  1. Enzymes and temperature

    Explain the rise and fall of enzyme activity without confusing denaturation with low temperature.

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    Review

Content to be added

  • Cell structures and transport
  • Nutrition and digestion
  • Respiration

These topics are part of our course plan. Lessons and practice are not available yet.

02Chemical quantities1 lesson available · More topics to be added

Connect concepts with evidence, practical investigation and explanation.

  1. Moles and reacting masses

    Connect the mass of a substance to the amount used in a chemical equation.

    Not started
    Review

Content to be added

  • Atomic structure and bonding
  • Balanced equations
  • Solutions and concentration

These topics are part of our course plan. Lessons and practice are not available yet.

03Mechanics and energy1 lesson available · More topics to be added

Connect concepts with evidence, practical investigation and explanation.

  1. Work and kinetic energy

    Calculate energy transferred by a force and compare moving objects.

    Not started
    Review

Content to be added

  • Motion and acceleration
  • Newton’s laws
  • Thermal energy

These topics are part of our course plan. Lessons and practice are not available yet.

04Earth and environmentContent to be added

Connect concepts with evidence, practical investigation and explanation.

Content to be added

  • Ecosystem cycles
  • Atmospheric change
  • Energy resources

These topics are part of our course plan. Lessons and practice are not available yet.

05Practical reasoningContent to be added

Connect concepts with evidence, practical investigation and explanation.

Content to be added

  • Uncertainty and significant figures
  • Graph analysis
  • Experimental design

These topics are part of our course plan. Lessons and practice are not available yet.

Available content and your learning progress are different. Review labels record your own recall, not mastery or a school grade.

Practice within every lesson

Each lesson includes a question with feedback and a separate recall challenge. Your review choices save to My learning; they are self-assessments, not school grades.

Course coverage

Coverage varies by course. This is a growing library, not a complete school-year curriculum. Grade placement is StudyForA’s suggested sequence; check your school’s syllabus and the lesson prerequisites. Each course map shows available lessons and content still to be added.

Original StudyForA content. AI-assisted checks completed; subject-teacher review is still pending. These lessons are not endorsed by an exam board.

Our topic planning draws on the references below. Grade placement is our own; this library does not claim full standards alignment.

NGSS science topic progressions ↗