Convex lens ray diagram showing image formation

Labeled plant cell cross-section with organelles

Water cycle diagram with evaporation, condensation, precipitation

DNA double helix structure with base pairs labeled

Color wheel showing primary, secondary and complementary colors

One-point perspective drawing tutorial with vanishing point

Golden ratio spiral in composition and design

Timeline of major events in World War II

Ancient Egyptian social hierarchy pyramid

Silk Road trade routes map with major cities

Character relationship diagram for Romeo and Juliet

Story structure diagram: exposition, rising action, climax, resolution

Musical notation basics: notes, rests, time signatures

Circle of fifths diagram for music theory

SWOT analysis template with examples

Supply and demand curve economic diagram

Computer network topology diagrams: star, bus, ring

Software development lifecycle flowchart