Thornton AcademyTHORNTON ACADEMY
2

SCI-220 · Science · 2025–26

Biology: Maine Ecosystems

Field-based biology anchored in Saco River and coastal Maine ecosystems.

New assessment

Current unit

Unit 2 — Watershed Fieldwork

Teacher

Dr. Elena Ross

Enrolled

21 students

Completion

71%

Module 1 — Population Structure

  • Reading population pyramids

    Video · 14 min video lesson

    Published

  • Demographic transition model

    Reading · Textbook Ch. 2.3 · 20 min

    Published

  • Unit 2 vocabulary study guide

    Study guide · PDF · 6 pages

    Published

  • Population structure check

    Practice quiz · 10 questions · unlimited attempts

    Published

Module 2 — Migration Patterns

  • Push and pull factors in practice

    Video · 11 min video lesson

    Published

  • Mapping Saco's migration history

    Activity · Classroom activity · groups of 3

    Published

  • Ravenstein's laws of migration

    Reading · Source packet · 15 min

    Draft

  • Migration vocabulary practice

    Practice quiz · 12 questions · recommended for Alex

    Draft

Module 3 — Assessment & Review

  • Population & Migration Assessment

    Assessment · 30 questions · 45 min · formal

    Published

  • Post-assessment error analysis

    Activity · In class Monday

    Draft