These 30 digital task cards on the BOOM Learning website cover physical and chemical changes. Students practice the definitions, defining characteristics, and examples of physical changes and chemical changes. Use them to review, practice, or assess your middle school science students. These digital task cards work on laptops, desktops, Smart Boards, Chromebooks, tablets, and any other mobile devices that can access the Internet. They are self-grading and allow you to track student progress. No