When run on a computer these 11 labs act like a teacher, flagging possible errors and encouraging students to do their best. They’re the result of my 13 years’ experience and are designed for an algebra-based physics course. All the files are templates, so they can’t be accidentally over-written. These interactive labs help students get the most out of the lab experience. When needed, error messages pop up addressing students by name, e.g.: “Mike, your calculations don’t follow from your input d