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Activity 5.4: Ecosystems Unit Posttest (20 min)

Target Student Performance

Students show their end-of unit proficiencies for the overall unit goal: Questioning, investigating, and explaining how carbon cycles and energy flows in ecosystems.

Resources You Provide

  • Pencils (1 per student)

Resources Provided


Print one copy of the 5.4 Ecosystems Unit Posttest for each student.


1. Describe the unit posttest.

Explain the purpose of the unit posttest to students:

  • It will help you as a teacher understand how students think about what happens when animals move, grow, and function..
  • It will help them think about what they learned and how their ideas changed over time.
2. Have students take the unit posttest.

Distribute copies of 5.4 Ecosystems Unit Posttest to be completed.


Students should be able to answer the questions correctly, so it is reasonable to grade them at this point. Use 5.4 Grading the Ecosystems Unit Posttest to check student answers.

  • Read the questions aloud to the class. Reframe or reword questions for clarity.
  • Provide sentence stems for written responses.
  • Provide visual aids for any examples of ecosystems that are not provided
Extending the Learning

Have students compare their answers from the pretest with their answers from the posttest to see how their ideas have changed through the course of the unit.