McDonald Publishing Chemistry Basics Posters, Set of 4

These posters teach the difference between physical and chemical changes, key information about acids and bases, the states of matter, and the characteristics of elements, compounds, and mixtures. Includes 4 posters. Each poster measures 17" x 22". Decorate and educate with these four 17" x 22" posters Posters feature activity sheets on the back of the posters and includes a teacher's guide Great to brighten any classroom