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Science Department

The St. Stephen Science Department is made up of an experienced and dynamic group of dedicated teachers who provide exciting learning opportunities for their students. The teachers are passionate about teaching Science and ensuring student success through fostering a sense of community, inclusiveness, nurturing, and fun.

The Science Teachers at St. Stephen have created many review videos that students can access to help them in their studies.


Science Review Videos:

Click on the following links!

Grade 9 Science

Chemistry Strand

Bohr-Rutherford Diagrams for neutral atoms https://youtu.be/TFni1fCPES8

Bohr-Rutherford Diagrams for ions https://youtu.be/ZJxqok4brb4

Naming and Writing Formulas for Ionic Compounds https://youtu.be/2VRz7t8bB1Q

Naming and Writing Formulas for Molecular Compounds https://youtu.be/zGtwkLr4ayQ

Counting Atoms

https://youtu.be/J8YLFXhxYFA?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky

Balancing Chemical Equations

https://youtu.be/kE_q4X3S64o?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky


Grade 10 Science

Chemistry Strand

Bohr-Rutherford Diagrams for neutral atoms https://youtu.be/TFni1fCPES8

Bohr-Rutherford Diagrams for ions https://youtu.be/ZJxqok4brb4

Naming and Writing Formulas for Ionic Compounds https://youtu.be/2VRz7t8bB1Q

Naming and Writing Formulas for Polyatomic Compounds https://youtu.be/_NGZeGDOY9U

Naming and Writing Formulas for Multi-Valent Metals https://youtu.be/N056ALKbg3Y

Naming and Writing Formulas for Molecular Compounds https://youtu.be/zGtwkLr4ayQ

Counting Atoms

https://youtu.be/J8YLFXhxYFA?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky

Balancing Chemical Equations

https://youtu.be/kE_q4X3S64o?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky

Synthesis and Decomposition Reactions

https://youtu.be/P_7Y3itcGCQ?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky

Single and Double Displacement Reactions

https://youtu.be/qMT-0dky8XY?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky

Combustion Reactions

https://youtu.be/xioYAsXs9dQ?list=PLJ4g1pBzOjn7hN6tcu6oagPPatHTYd4Ky


Physics Strand (Optics)

Drawing Ray Diagrams for Concave Mirrors https://youtu.be/kJH2dLVzgDA

Drawing Ray Diagrams for Convex Mirrors https://youtu.be/3CjXemIgz-Y


Grade 11 University and Grade 12 College Chemistry

Strands: Quantities in Chemical Reactions (SCH 3U)

Chemical Calculations (SCH 4C)

The Mole http://youtu.be/DHfCQQZ91FU

Molar Mass http://youtu.be/NWAWcetb9Gg

Mass and Number of Entities http://youtu.be/r1anf_BC9Ls

The Composition of Unknown Compounds http://youtu.be/8sVVsorRtHA

Empirical Formulas https://www.youtube.com/watch?v=a9kEt06u8e8

Molecular Formula http://youtu.be/Jb55WGaQ1-c

Mole Ratios http://youtu.be/DD1IUnnECWQ

Mass Relationships in Chemical Equations http://youtu.be/_V6kEpFV_9U

(note – the balanced equation should not have a 2 in front of H 2 O)

Limiting Reagent https://youtu.be/mON7vCz9Las


Grade 12 University Biology

Metabolic Processes Strand

Light Dependent Reactions https://youtu.be/Xf7BUoASUWU

Calvin Cycle https://youtu.be/ZHtZMTP8Tzg