• Causal
    Patterns
  • RECAST
    Activities
  • Assessing
    Understanding
  • The
    Classroom
  • Resources
    & Curricula
  • Resources
  • Subject-based Curricula
  • Theoretical Curricula
  • Overview
  • Ecosystems
    • Introduction
    • Section 1
    • Section 2
    • Section 3
    • Section 4
    • Section 5
    • Section 6
  • Density
    • Introduction
    • Section 1
    • Section 2
    • Section 3
    • Section 4
  • Air Pressure
    • Introduction
    • Section 1
    • Section 2
    • Section 3
  • Simple Circuits
    • Introduction
    • Section 1
    • Section 2
    • Section 3
    • Section 4
    • Section 5
    • Section 6
    • Section 7
    • Section 8

Ecosystems Curriculum

Section 3: Resources

Picture of Practice

  • Teachers Guide

Worm and Worm-Free Tanks

  • Time-Lapse Photos of Tanks (PDF: 354 KB)
  • Observation Sheets (PDF: 169 KB)

Reinforcement Activities

  • Growing Microbes on Bread
  • Learning About Preservatives
  • The Good, The Bad and the Ugly: The Many Sides of Bacteria

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