Across
- 1. Watering crops by digging a ditch that leads from a body of water.
- 3. A long Period with no rain.
- 4. One of seven large areas of land on the globe.
- 8. Objects and tools used by early humans for eating, cooking, and hunting.
- 13. Family members who come after one has died.
- 16. The average condition of weather over a period of years.
- 17. Wild animals that are tamed and used by humans.
- 18. No longer living.
- 19. Flat-topped hills with steep sides.
- 21. A plant with sword-shaped leaves and cluster of white waxy flowers that grows in the warmer regions of North America.
- 22. A heavy clay used for making bricks.
Down
- 2. Scientists who study past human life by looking at prehistoric fossils and tools.
- 5. One of seven continents in the world bounded by Alaska on the northwest, Greenland on the northeast, Florida one the southeast, and Mexico one the southwest.
- 6. Usual ways of doing things.
- 7. Large hairy extinct elephants with tusks that curved upward.
- 9. People who lived a long time ago and have since disappeared.
- 10. A very hard stone that produces a spark when struck by steel.
- 11. Gave up completely.
- 12. Groups of people who share a set of beliefs, goals, religious customs, attitudes, and social practices.
- 14. A type of object made out of clay that has been hardened by heat.
- 15. Animals that have three long clawed toes on each foot.
- 20. The period in history after the birth of Jesus Christ.
