Food Web6-8 · Food Web: Model one relationship
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Biology · Middle school

Food Web

Scientific model investigation

Guided investigation

Food Web: Model one relationship

Food Web: a visible system response changes after one controlled input changes.

Food Web Grade 6 mission: Use the provided comparison and keep one condition fixed. Build evidence for this learning goal: Sequence a simple food relationship from sunlight to plant to animal.

  • system
  • variable
  • pattern
  1. 1Predict
  2. 2Control
  3. 3Investigate
  4. 4Analyze
  5. 5Revise model
  6. 6Transfer
Model

Variables and model

Run the baseline and one changed case. Keep the named controls fixed.

Keep fixed
starting state and observation interval
Measure
System stability
Uncertainty check
Repeat the comparison before extending the causal claim.
Choose the model prediction that can be tested with one controlled change.
Evidence

Measured comparison

Commit a testable model and run the investigation to generate evidence.

Your controlled comparison, measured result, revised model, and transfer claim become inspectable scientific evidence.

Standards claim pending educator review
Original World tools