This document includes a concept based curriculum centered around "time." It intergrates various subject areas. It provides guiding questions, essential questions, procedures, objectives, resources, and assessment. The lessons are planned for 90 minute periods. The lessons may be used for grades 4th - 7th or a gifted class. It is very authentic and differentiated. It meets the learning styles of all students. The lessons can be extended to 2-3 weeks.