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Objective: 7.1- Lesson 1 Students will investigate the question: What happens when a bath bomb is added to water (and what causes it to happen)? 

Standards: 

MS-PS1-1

Develop models to describe the atomic composition of simple molecules and extended structures.

MS-PS1-2

Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.

MS-PS1-5

Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus mass is conserved.

MS-LS1-8

Gather and synthesize information that sensory receptors respond to stimuli by sending messages to the brain for immediate behavior or storage as memories.

Warm-Up: On Paper 

To Do List:

• Take Attendance

• Warm Up

• Quiz & WDHP in Schoology

• L1,D3,P8-11 

• What Happens When a Bath Bomb is Placed in Water (Macro Model)

• Initial Model (Micro Model)

• Initial Model (Micro Model)

• Progress Tracker link 

• Science Classroom Norms

• Progress Tracker link 

• Thinking about related phenomenon

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Check for Understanding: Norm Focused Reflection

Students will reflect on if they can answer the question: What happens when a bath bomb is added to water (and what causes it to happen)? 

Homework: Due 9-19-2025  Classwork What Happens When a Bath Bomb is Placed in Water (Macro Model) Initial Model (Micro Model)

SUBMIT Initial Macro Model and Initial Micro Model