The History of the Atom By Mrs. Palaski. Introduction What does an atom look like? It is so small that it cannot be seen. Yet we know there are particles.
Physical and chemical changes. Physical Property: A characteristic of that can be measured without changing the chemical composition of a substance. Ex.
UNIT 3: MATTER ENERGY LIFE
What is Chemistry?. Chemistry Is….. Chemistry is the study of matter and the changes that it can undergo.
Bell Work
Starter: What is everything made of? Think Pair Share.
What is matter ? Democritus ((& Leucippus)) ~ 400 BC Early philosophers thought that the material world must be made up of tiny indivisible particles called.
Chapter I FOUNDATIONS OF CHEMISTRY
Significant Figures – start at the left and proceed to the right
Chapter 5 Lesson 5
