Across
- 3. distance around a shape
- 6. a statement showing two expressions are equal
- 7. smallest unit of matter
- 10. liquid water changing into vapor
- 12. an imaginary line around Earth’s middle
- 13. Madrid is the capital of this country
- 14. largest country in South America
Down
- 1. force resisting motion between surfaces
- 2. balanced and identical on both sides
- 4. two or more atoms bonded together
- 5. distance from circle’s center to edge
- 8. country south of the United States
- 9. island nation in East Asia
- 11. a large mass of moving ice