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Science Lesson Kit · Student Worksheet

Ocean Probe Delta: New Data Case

Probe A: 120 m; B: 900 m; C: 2,400 m. Sunlight zone: 0–200 m. Twilight: 200–1,000 m. Midnight: 1,000–4,000 m.

Grade 5

Name:

Date:

  1. 1.

    Write the ocean zone for probes A, B and C.

  2. 2.

    As the robot moves from A to C, which two changes are likely?

    Unlabeled research probe descending to three ocean depths for independent questions
    • Sunlight rises and pressure falls
    • Sunlight falls and pressure rises
    • Both remain the same
  3. 3.

    A fish at 2,400 m uses a glowing lure. Explain one way it could help.

  4. 4.

    Draw or describe an energy path from the sunlit ocean to an animal 2,400 m deep.

    Unlabeled research probe descending to three ocean depths for independent questions

    Draw here

  5. 5.

    A student says nothing can live below 1,000 m because plants cannot photosynthesize there. Give TWO scientific reasons the claim is wrong.