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  1. Algebraic Properties and Order Relations of Real Numbers
    by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:23 AM — filed under: Year 9, Year 10
    Covers the algebraic properties of real numbers (commutative, associative, identity, inverse, distributive) and the order properties used to work with ...
    Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra
  2. Absolute Value Fundamentals
    by Dr. Osama M. Khaled — published Aug 19, 2026 — last modified Aug 21, 2026 11:21 AM — filed under: Year 10
    Covers the definition of absolute value, its geometric meaning as distance, and solving simple absolute value equations.
    Located in Mathematics / Calculus / Discovery of Real Numbers: Through Traditional Algebra
  3. Cellular Respiration Overview & Glycolysis
    by Dr. Osama M. Khaled — published Jun 20, 2026 — last modified Jun 20, 2026 10:03 AM — filed under: Year 10, Year 11, Year 12
    This quiz covers respiration basics, enzymes/activation energy, oxidation, and the full glycolytic pathway
    Located in Biology / Cellular Respiration
  4. Anaerobic Fermentation
    by Dr. Osama M. Khaled — published Jun 20, 2026 — last modified Jun 20, 2026 10:12 AM — filed under: Year 10, Year 11, Year 12
    This quiz covers fermentation definition, ethanol vs. lactate pathways, NADH2's role, and efficiency comparison to aerobic respiration
    Located in Biology / Cellular Respiration
  5. Krebs Cycle & Electron Transport Chain
    by Dr. Osama M. Khaled — published Jun 21, 2026 — last modified Jun 21, 2026 09:23 AM — filed under: Year 10, Year 11, Year 12
    This quiz covers acetyl-CoA formation, Krebs cycle byproducts, oxidative phosphorylation, cytochromes, and the overall aerobic equation
    Located in Biology / Cellular Respiration
  6. Cellular Respiration: Full Review
    by Dr. Osama M. Khaled — published Jun 21, 2026 — last modified Jun 21, 2026 09:37 PM — filed under: Year 10, Year 11, Year 12
    This quiz is a full review of the cellular respiration including Cellular Respiration Overview & Glycolysis, Anaerobic Fermentation, Krebs Cycle & Electron ...
    Located in Biology / Cellular Respiration
  7. Measurements definitions
    by Dr. Osama M. Khaled — published May 31, 2022 — last modified Jul 13, 2024 10:42 PM — filed under: Year 10
    Important definitions when studying measurements in chemistry
    Located in Chemistry / Measurements
  8. Expressing numbers
    by Dr. Osama M. Khaled — published May 31, 2022 — last modified Jul 13, 2024 10:42 PM — filed under: Year 10
    Quantities have two parts: the number and the unit. The number tells “how many.” It is important to be able to express numbers properly so that the quantities ...
    Located in Chemistry / Measurements
  9. Expressing Units
    by Dr. Osama M. Khaled — published Dec 26, 2023 — last modified Jul 13, 2024 01:09 PM — filed under: Year 10
    Learn the units that go with various quantities, express units using their abbreviations, and make new units by combining numerical prefixes with units.
    Located in Chemistry / Measurements
  10. Significat Figures
    by Dr. Osama M. Khaled — published May 21, 2026 — last modified May 21, 2026 08:37 PM — filed under: Year 10
    This quiz focuses on identifying significant figures, applying rounding rules, performing calculations using significant figure conventions, interpreting ...
    Located in Chemistry / Measurements
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