This activity introduces the concept of plant color being determined by pigments, which interactive with light. The idea that chlorophyll is used by plants for energy is then discussed, along with the first step of the photosynthetic process, making sugar and releasing oxygen. Multiple-choice and short answer questions are found interspersed with interactive media and short text. Teachers have the opportunity to register, granting them access to students' progress, pre- and post-tests, and a full teacher guide/ answer key.