The Core Knowledge Foundation provides open access to content-rich curriculum materials for preschool through grade 8, including the Core Knowledge Curriculum Series™, with many materials now available and many more in development.
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The materials made available for download are freely available for anyone to use, adapt, and share (with attribution), but no one is permitted to sell either the original program, an adaptation of it, or lesson plans that reproduce any part of it. For more information, see the Guidelines to Core Knowledge and the Creative Commons License.
Core Knowledge Language Arts
Core Knowledge History and Geography
Core Knowledge Science
- CKSci Unit 1: Properties of Matter Grade 2 Science
- CKSci Unit 2: Organisms and Their Habitats Grade 2 Science
- CKSci Unit 3: Exploring Land and Water Grade 2 Science
- CKSci Unit 4: Electricity and Magnetism Grade 2 Science
- CKSci Unit 5: Human Cells and Digestion Grade 2 Science
- CKSci Unit 1: Energy Transfer and Transformation Grade 4 Science
- CKSci Unit 2: Investigating Waves Grade 4 Science
- CKSci Unit 3: Structures and Functions of Living Things Grade 4 Science
- CKSci Unit 4: Processes That Shape Earth Grade 4 Science
- CKSci Unit 5: Using Natural Resources for Energy Grade 4 Science