How do scientists observe a difficult-to-reach ecosystem, explain changes within it, and evaluate possible responses?
01 / Enter
Begin with the place and its evidence.
A four-stage science mission that invites students to inspect a research submersible, launch, dive, investigate deep reefs, and recover safely.
02 / Investigate
Look closely, compare, question, and revise.
A mission-based sequence combines situated observation, systems thinking, retrieval practice, and an evidence-backed final decision. Progress is visible without turning scientific work into a reward chase.
03 / Demonstrate
Use evidence to make learning visible.
Complete the route with a sourced explanation, model, reflection, or creative response appropriate to grades 5–8.
Learning objectives
Identify relationships among organisms and nonliving reef conditions
Use observations to explain effects of an invasive predator
Model how scientists collect comparable evidence over time
Evaluate response choices using criteria, constraints, and ecosystem impacts
Curriculum connections
NGSS MS-LS2-2 and MS-LS2-4: ecosystem interactions, change, and evidence-based argument
NGSS MS-LS2-5: evaluate solutions for maintaining biodiversity and ecosystem services
NGSS Science and Engineering Practices: modeling, analyzing evidence, and argument from evidence
