Across
- 8. feeling pushed outward on a merry-go-round, water being pushed to the sides of a washing machine drum, and a car or bike appearing to be pushed to the outside of a turn.
- 10. Poland, Uganda, France, and Zimbabwe.
- 12. Japan, France, and Egypt, where a nation's identity is strongly tied to the state's boundaries.
- 15. the tension in a string when whirling a ball, the gravitational force between the Earth and a satellite or moon, and the friction between a car's tires and the road when taking a turn.
Down
- 1. Chile, Norway, Italy, Vietnam, and Malawi.
- 2. natural features like the Mississippi River, which forms a boundary between states such as Tennessee and Arkansas.
- 3. the supreme authority of a nation like France over its territory, the authority of individual U.S. states to make laws on certain issues.
- 4. Monaco or Vatican City.
- 5. Japan and Iceland, which are often cited as nation-states where a shared culture and identity are tied to a single country.
- 6. Thailand, the Democratic Republic of the Congo, and Afghanistan.
- 7. Maseru, Leribe, Berea, and Mohale's Hoek districts.
- 9. elongated states, which have a long and narrow shape, like Chile, which is squeezed between the Pacific Ocean and the Andes Mountains.
- 11. Lesotho, entirely surrounded by South Africa; Vatican City and San Marino, both enclaved by Italy.
- 13. Kurds, Palestinians, Basques, Catalans, and Tibetans.
- 14. South Africa, which surrounds the country of Lesotho, and Italy, which surrounds Vatican City and San Marino.