All materials are in the science room. There is only one 7th and 8th grade science room in the building. They get used three to eight times per year depending upon the unit and grade level. You may think that materials lists are boring. But they are the bedrock.
Materials define the content, economy and ultimate success of any hands-on science program.
I organize these simple things on open shelves in labeled boxes, jars and cans. My Animal Survival box contains tempera paint for camouflage. Mirrors and colored cellophane are in my Light box, tuning forks in my Sound box, and egg-carton rock collection in my Rocks and Minerals box. Commercial science kits are attractive and can be convenient resources. The disadvantage of the kits are they tend to be more expensive than purchasing items separately.