OpenSciEd Unit 7.1 · Lesson 12 · 12.C
Explaining New Aspects
Assessment guide
How to read student work on this assessment — standards alignment, what strong understanding looks like, and common gaps.
Learning progression
Target understanding
12.C Analyze and interpret data on the properties of substances (patterns) before and after substances interact to determine if the chemical reaction that produces gas in a bath bomb also produces another new substance.
Standards alignment
12.C Analyze and interpret data on the properties of substances (patterns) before and after substances interact to determine if the chemical reaction that produces gas in a bath bomb also produces another new substance.
What understanding looks like
Strong
- Use scoring guidance for question 3 on Explaining New Aspects of the Anchoring Phenomena.
From Teacher Edition
View assessment opportunity →Facilitation guidance from the lesson plan — what to notice in student thinking and how to respond while teaching.
Building towards
12.C Analyze and interpret data on the properties of substances (patterns) before and after substances interact to determine if the chemical reaction that produces gas in a bath bomb also produces another new substance.
What to look / listen for
Use scoring guidance for question 3 on Explaining New Aspects of the Anchoring Phenomena.
What to do
See Explaining New Aspects of the Anchoring Phenomena for guidance.
Separate the individual portion of the assessment to turn in. Display slide D. Three minutes before the end of the period, ask students to turn in questions 1 and 2 and tape question 3 and the last page of Explaining New Aspects of the Anchoring Phenomena into their student notebooks, so that they can reference next time to compare their ideas on this to a partner.
Materials
Last updated from official OpenSciEd on 7/1/2026
Student handout
7.1 Lesson 12 Assessment Explaining New Aspects.docx
Google Form
Digitized — add an editable copy to your Google Forms
Teacher guide
7.1 Lesson 12 Teacher Edition.docx
Answer key (recommended)
7.1 Lesson 12 Answer Key Explaining New Aspects.docx