Physics: Understanding the Properties of Matter and Energy

Physics: Understanding the Properties of Matter and Energy — page 7
PHYSICS UNDERSTANDING THE PROPERTIES or MATTER AND ENERGY and the explosion of a stick of dynamite all have one thing in common they are expres sions of energy Energy and matter together form the basis for all observable phenomena THE STATES OF MATTER Most of the matter that people ordinarily observe can be classified into one of three states or phases solid liquid or gas Solid solid gas ice water vapor liquid water cyclopaedia Britannica no Water exists in the three basic states of matter as ice water and vapor Encyclopaedia Britannica Inc 12