Eyes, Ears, and Information
Communication, sound, light, materials, accessibility, and design.
Open all 20 lessons →GRADE 1 · HUMAN SYSTEMS
Read signals.
Model systems.
A 36-week integrated course framework. All nine 20-day arcs are fully authored and free: teacher language, student text, guided practice, games, printables, assessment evidence, alternate routes, extensions, and answer guidance.
THE YEAR
Nine arcs. One climbing model of human systems.
Sensing and Responding
External structures, nervous-system models, protection, accessible signals, testing, and public teaching.
Open all 20 lessons →Growth, Variation, and Teeth
Growth, offspring resemblance, learned behavior, human variation, tooth structure, privacy, and evidence limits.
Open all 20 lessons →Care, Rest, and Health Systems
Hygiene, sleep, health helpers, records, privacy, prevention systems, and cumulative performance.
Open all 20 lessons →Bones, Joints, Muscles, and Motion
Skeletal structure, joint constraints, muscle pulling, assistive technology, object measurement, geometry, and access.
Open all 20 lessons →Safety, Agency, and Emergency Communication
Hazard controls, body boundaries, persistent reporting, conflict versus danger, weapons reporting, 9-1-1, and safe-space design.
Open all 20 lessons →Sky, Seasons, Time, and Skin
Sky patterns, Earth rotation, seasonal daylight, public time systems, skin structure, shade engineering, and inclusive sun protection.
Open all 20 lessons →Community Health Systems
Transmission, prevention, chronic-condition inclusion, adult-managed plans, institutions, maps, history, public messages, and exhibition.
Open all 20 lessons →Inquiry, Transfer, and Year Defense
Independent protocols, interdisciplinary transfer, project evidence, expert review, public teach-back, and a multidomain Grade 1 defense.
Open all 20 lessons →DAILY DESIGN
Every lesson produces visible evidence.
Decoding, vocabulary, text evidence, and communication.
Operations, measurement, data, models, and reasoning.
Safe observation, fair comparison, uncertainty, and revision.
Design, demonstrate, explain, teach back, and transfer.