WELCOME Physical and Chemical Changes What is a Physical Change? A physical change alters the form of a substance, but does not change it to another substance. Example: Making…

Chemical Reactions NEW CHAPTER Chemical Reactions CHAPTER Chemical reactions form new substances by breaking and making chemical bonds. Chemical reactions alter arrangements…

Chemistry: An Introduction Chapter 1 Why is Chemistry Important? In Our Daily Lives New Materials New Pharmaceuticals New Energy Sources Food Supplies Can you think of others?…

Chapter 5 Lesson 5 Chapter 5 Lesson 5 Compounds and Chemical Changes What are Compounds? A compound is formed by the combination of two or more elements. Compounds have properties…

CHEMICAL CHANGES What is a Chemical Change? Molecules and Compounds Chemical Equations and Chemical Reactions Kinds of Reactions Kinds of Bonds Rust Fire CHEMICAL CHANGES…

Chemical Reactions Section 1: Observing Chemical Changes How can changes in matter be described? In terms of two kinds of properties- physical properties and chemical properties…

Slide 1 Pure Substances Mixtures Matter Everything that has mass and volume is called matter. What is matter? 2 Basic definition of matter. Fixed composition Cannot be separated…

Chapter 5 Lesson 5 Chapter 5 Lesson 5 Compounds and Chemical Changes What are Compounds? A compound is formed by the combination of two or more elements. Compounds have properties…

Unit 1 Lesson 3 Physical and Chemical Changes Change of Appearance Copyright © Houghton Mifflin Harcourt Publishing Company What are physical changes of matter? A physical…

Physical and Chemical Changes What is a Physical Change? A physical change changes the form of a substance, but does not create anything new. Starting Substance = ending…