Across
- 6. show to be wrong or false
- 8. prove accurate
- 9. rank order
- 12. birth to 1 month
- 13. unchanging
- 14. conception to birth
Down
- 1. they interact in complex ways
- 2. 1 month to 12 month
- 3. arranged in orderly way
- 4. a change in size or in quantity
- 5. a child's desire to achieve
- 7. 6 years to 12 years old
- 10. a set order
- 11. 3 years to 6 years old
- 15. 1 year to 3 years