I've recently made my move into the TpT world, trying to break through and make a little extra money. I have a few colleagues that are doing quite well each month and like most people, I want my share. They have some good stuff (worksheets, presentations, quizzes, etc.) that can be useful, but I'm working to develop something different. When I initially began posting to TpT I put a few worksheets on as well, just to get started. But if you look through the main items available, there are a variety of simulations where students construct or use models to make some predictions about future events. There are some writing activities where students perform a short investigation and then respond to a writing prompt to help practice writing and defending claims with reasoning and evidence (Claim, Evidence, Reasoning). The latest product to be posted, however, goes a step further. Originally developed from some colleagues in the UKanTeach program, this document offers a variety of ...