December 11, 2017December 11, 2017 by tigertalk2011 7Th Grade Science Experiment Uncategorized Leave a comment Mr. Moles’ 7th grade class have been studying volcanoes and how they work. Today the 7th graders made volcanoes out of play-doh and used baking soda and vinegar to show nonexplosive eruptions Share this:EmailTweetLike this:Like Loading... Related