Students will complete a set of 30 review questions on the gas laws, including Boyle's law, Charles's law, the Combined gas law, the ideal gas law, and much, much more. Each correct answer will lead the student to a code for coloring a section of the hidden picture grid. As students progress through the review questions, the picture will slowly be revealed. Includes student worksheets with review questions, two hidden picture grids, complete answer key, and a teacher guide.What's included in