tag:blogger.com,1999:blog-1149011536361436624.post3827858751498783710..comments2023-11-02T03:09:38.498-05:00Comments on The Science School Yard: Roller Coaster STEM UnitUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1149011536361436624.post-78811427939716469602014-02-06T17:00:14.363-06:002014-02-06T17:00:14.363-06:00Great minds think alike, I am working on a roller ...Great minds think alike, I am working on a roller coaster forces and physics unit for my third graders. We don't have knex though. I am going to have to get creative, I think insulation foam cut in half and marbles aught to do the trick! I am so sorry to hear about your daughter :-( I totally understand about bills too, ugh! I pay about 900 a month in student loans alone! That is why I do after school clubs, coach sports, and work at a nature center on weekends :-) I can't wait to see what this cardboard arcade thing is! T. Frezzhttps://www.blogger.com/profile/17799772089616245105noreply@blogger.com