← 3.1 Composite Materials

Concrete: composition and local use

Pre-Technical Studies · Grade 8 · about 40 minutes

Describe cement, sand, ballast and water as the constituents of concrete, and match the mix to floors, beams and tanks in the locality.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 10 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account