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Science Lesson Kit · Teacher Resource

Ecosystem Interactions & Resource Availability — 5E Lesson Plan

Life Science · 55 minutes

Grade 6

5E lesson flow

  1. 01

    Engage

    7 min

    Teacher Does

    Show two changing records without a causal label.

    Students Do

    Write two direct observations.

    Ask

    • What changes before we explain why?

    Look For

    Units, values, and time intervals.

  2. 02

    Explore

    14 min

    Teacher Does

    Guide seedling and island data analysis.

    Students Do

    Mark direct observations and graph both series.

    Ask

    • Where are the turning points?

    Look For

    Accurate trends and aligned time.

  3. 03

    Explain

    10 min

    Teacher Does

    Introduce lag, limiting factor, competition, and calibrated language.

    Students Do

    Revise an overconfident claim.

    Ask

    • What does the graph support but not prove?

    Look For

    Consistent-with/may language.

  4. 04

    Elaborate

    15 min

    Teacher Does

    Present the 20-site nest case.

    Students Do

    Connect occupancy, limitation, and possible competition.

    Ask

    • Which resource is scarce in this case?

    Look For

    Case-specific reasoning.

  5. 05

    Evaluate

    9 min

    Teacher Does

    Assign the evidence brief.

    Students Do

    Cite two pieces and add uncertainty or needed evidence.

    Ask

    • Does the claim outrun the data?

    Look For

    Two specific details and a limitation.

Student goal

I can align resource and response records, cite evidence, and explain uncertainty.

Learning objectives

  • Analyze tables and graphs to describe how resource availability changes over time.
  • Compare resource data with organism-growth or population data to identify evidence of resource effects.
  • Construct a calibrated explanation using specific data while identifying uncertainty, time lags, or other possible limiting factors.

Materials

  • Prepared seedling dataset
  • Fictional island resource/population dataset
  • Aligned graph sheets
  • Nest-site case cards
  • Evidence-brief organizer

Before class

  • Label the seedling record as a prepared classroom dataset.
  • Label the island record as a fictional model dataset.
  • Keep resource and population time intervals aligned.
  • Plan prompts that separate description from explanation.

Prior knowledge

  • Organisms need resources.
  • Students can read tables and line graphs.

Vocabulary

resource
Something an organism needs, such as food, water, space, shelter, or light.
population
A group of organisms of the same species living in the same area.
ecosystem
Living and nonliving parts of an environment interacting as a system.
limiting factor
A condition or resource that restricts growth, reproduction, or population size.
competition
An interaction in which organisms seek the same limited resource.
trend
A general pattern of change in data over time.
evidence
Data or observations used to support a scientific explanation.

Differentiation

  • Provide aligned axes and sentence frames.
  • Let students highlight matching seasons.
  • Offer a two-column claim/evidence organizer.
  • For extension, compare another possible limiting factor.

Assessment

  • Check two direct observations before explanation.
  • Check lag identification.
  • Require two evidence pieces plus uncertainty.

Exit ticket

Name one resource trend, one response detail, and one uncertainty.

Extension

Design an additional paired dataset that could test an alternate factor.