Physical vs. Chemical Changes Investigation

Sowmya·

Science

Preview

At a Glance

Grade Level5th Grade

SubjectScience

Original Prompt

5.P1U1.2 Plan and carry out investigations to demonstrate that some substances combine to form new substances with different properties and others can be mixed without taking on new properties. SWBAT analyze investigations to determine when substances form a new substance and when they are only physically mixed. Teacher Actions→ Student Actions→ Student Outcomes Prompt (Projected): 1. When salt is mixed with pepper, is a new substance formed? 2. When vinegar and baking soda are combined and bu

This teacher's guide provides a comprehensive framework for educating students on the differences between physical and chemical changes. It outlines the logistics, learning targets, and success criteria for the lesson, aiming to facilitate student understanding of how to differentiate between the two types of changes and identify evidence of chemical reactions. The guide includes demonstration setup instructions for various experiments, such as mixing salt and pepper or reacting vinegar with baking soda, to allow students to observe these changes firsthand. Additionally, it addresses common misconceptions about mixing substances and offers criteria to determine whether a chemical change has occurred, such as gas production, color change, and the formation of a solid precipitate. The resource includes investigation scenarios, vocabulary reviews, and discussion prompts designed to engage students in critical thinking about matter and its transformations.