## Reflection: Quizzes Assessing Student Understanding of Density with Simulation and Standards-based Rubric - Section 1: Density Assessment Overview

If I had asked students to demonstrate their ability to measure volume with a graduated cylinder and mass with a triple beam balance, I would have had a stressful and chaotic day. Prior to this, students had already demonstrated their ability to use the required instruments to measure volume and mass. Using a computer simulation website, I am able to quickly assess all student abilities to perform simple and complex tasks in an orderly and engaging manner.

Coupled with the website, the standards-based rubric allows me to give students meaningful feedback that is directed at targeted improvement. If they notice that they're struggling with calculating density, for example, then we can practice that skill during tutoring. Letting my students know exactly what part of a certain task they are struggling with leads to empowering them to improve what they don't grasp. Grading quizzes for right and wrong answers is not always the best mode of assessment, because it lacks the targeted areas of improvement.

Using technology to assess student ability to measure volume and mass
Quizzes: Using technology to assess student ability to measure volume and mass

# Assessing Student Understanding of Density with Simulation and Standards-based Rubric

Unit 7: Molecules
Lesson 6 of 9

## Big Idea: This assessment places the emphasis on the practices required to arrive at correctly identifying minerals, based on their densities. Using simulations helps mimic the practices needed to perform these tasks.

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45 minutes

### David Kujawski

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