Toolkits
Deep dives on the ideas that show up everywhere. Each one starts with why the idea exists at all — the problem it was invented to solve, what it actually does, and where it turns up outside a classroom — and then goes through it properly: the full explanation, the table you actually need, worked examples, and the mistakes that cost marks.
Fluids and machines
One quantity per another
Density, concentration, pressure, speed ratio and mechanical advantage are one idea: divide one measurement by another. How to read the units, and why each one explains something — oil floating, snowshoes, a hydraulic jack.
Open the toolkit
Every unit
Systems within systems
Cells to tissues to organs to body systems, machines built from subsystems, the eye as an optical system, and a river basin. How each part's job serves the whole, and what happens when one part fails.
Open the toolkit
How to use these
- Wondering why any of this is a thing? Read the opening section. It is the part a textbook usually skips.
- Stuck on a question type? Open the toolkit for that idea and find the worked example closest to it.
- Revising? Read the tables and try the checks, then go to practice questions to see whether it stuck.
- Reviewing for a unit test? There is no provincial test in Grade 8, so your teacher sets the tests — the printable worksheets and a mixed quiz are the closest thing here to sitting one.