Concepts

When we meet an idea for the first time, the explanation lands here — and stays here. Class pages link to these; these do not go stale.

Start here when you are studying, when you missed a class, or when a lab makes no sense.

graph LR
    BIO["Biology"] --> ECO["Ecosystems, cycles, climate"]
    CHEM["Chemistry"] --> MAT["Matter, atoms, the periodic table"]
    PHYS["Physics"] --> ELEC["Charge, circuits, energy"]
    SPACE["Earth and Space"] --> SS["The Sun, the solar system, the universe"]

Here is everything that lives in this folder, in the order we meet it.

Biology

• Biotic and Abiotic Factors
• Ecosystems and Sustainability
• Food Webs and Trophic Levels
• Energy Flow in Ecosystems
• Photosynthesis
• Cellular Respiration
• The Carbon Cycle
• The Nitrogen Cycle
• The Water Cycle
• Biodiversity
• Ecological Succession
• The Greenhouse Effect
• Indicators of Climate Change

Chemistry

• WHMIS and Lab Safety
• The Particle Theory of Matter
• Physical and Chemical Properties
• Physical and Chemical Changes
• Atomic Models Through Time
• The Bohr-Rutherford Model
• The Periodic Table
• Ions and Ionic Compounds
• Molecular Compounds

Physics

• Static Electricity
• Current Electricity
• Circuit Components and Symbols
• Ohm’s Law
• Series and Parallel Circuits
• Electrical Power and Efficiency
• Where Our Electricity Comes From

Earth and Space

• The Sun
• The Solar System
• Astronomical Phenomena
• Distances in Space
• The Origin of the Universe
• Technology From Space Exploration

Use the backlinks

At the bottom of each concept page is a list of every class and lab that used it. That is the fastest way to find when we did something.