OpenSciEd Unit 6.1 · Lesson 07 · 7.A
Peer Feedback Guidelines
From Teacher Edition
Facilitation guidance from the lesson plan — what to notice in student thinking and how to respond while teaching.
Building towards
7.A Construct and revise an explanation using a model to explain why an object appears different (effect) depending on the interaction between light and an object’s material, and how the brain processes signals (causes).
What to look / listen for
Idea from Lesson 2
Students explain how light travels from the light source in Room A and reflects off the music student.
Idea from Lessons 3 and 4
About the same amount of the light transmits through the one-way mirror as reflects back to the music student.
Idea from Lesson 4
The structure of the one-way mirror is half-silvered, which allows about the same amount of light to reflect off the silvered structures and to transmit through the transparent structures.
Idea from Lessons 2, 3, and 4
Light rays enter both the music student’s and the adult’s eyes from objects that are seen.
Ideas from Lesson 6
Light inputs to the eye are detected by sense receptors in the eye and turned into signals. When there are multiple light inputs, the brain responds to the strongest signal.
Look for evidence that students have revised their explanation, based on their own and on peer feedback, by comparing the first draft and the revised explanation and reviewing their reflections on what feedback they used and didn’t use.
What to do
Have students submit their revised explanation along with the first draft explanation that has their own revisions as well as peer feedback. If students struggle to include key science ideas, cue students to reference the class Science Ideas chart and their Progress Trackers. If students struggle to include evidence from investigations, direct them to their science notebooks to remember the evidence they gathered from Lessons 2, 3, 4, and 6. If students struggle to include all the interactions among parts of the system, encourage them to review the models from Lessons 5 and 6.
Use Rubric Explaining the one-way mirror phenomenon to assess students and provide feedback to them on their explanations and revisions.
Materials
Last updated from official OpenSciEd on 7/1/2026
Assessment opportunity guidance
L07-AO1.html
Student handout
6.1 Lesson 7 Handout Peer Feedback Guidelines.docx
Teacher guide
6.1 Lesson 7 Teacher Edition.docx