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".

Key Features :

i : Decorate and educate with these four 17" x 22" posters
ii : Posters feature activity sheets on the back of the posters and includes a teacher's guide
iii : Great to brighten any classroom