Each Curriculum Mastery Flip Chart is mounted on a sturdy easel and features: 10 Double-sided, laminated 12" x 18" charts Side 1 features a colorful, graphic overview of the topic Side 2 serves as a "write-on/wipe-off" activity chart featuring questions, labeling exercises, vocabulary review & more! Activity Guide featuring black-line copy-masters & exercises Set Includes the following 10 charts: 1. Minerals 2. Rocks 3. Fossils 4. Geologic Time Scale 5. Plate Tectonics 6. Earthquakes 7. Weathering of Rocks & Soil Formation 8. Earths Atmosphere 9. Understanding Weather 10. Our Solar System