The Historian's Toolkit

2. A way of showing the round Earth on a flat map.
4. To present someone's work as your own without giving that person credit.
6. a period of 100 years.
7. The study of the right and duties of citizens.
10. Cost What is given up, such as time or money, to make or buy something.
13. The study of Earth, including its physical, biological, and cultural features.
16. The amount of something that a consumer wants.
17. An unreasoned, emotional judgment about people or events.
20. The act of analyzing by looking at similarities.
22. The study of objects to learn about past human life.
24. A period of ten years.
25. Imaginary lines that circle the Earth from the North Pole to the south Pole, measuring distance east or west of the Prime Meridian.
26. Location The location of a place compared with one or more other places.
29. The study of fossils to learn what the world was like long ago.
30. A change that is produced by a cause.

1. The study of how individuals and nations make choices about how to use resources to meet their needs and wants.
3. Studies The study of human relationships and society.
5. The study of human cultures and how they develop over time.
8. The act of analyzing by looking at differences.
9. The amount of a good or service that is available.
11. A document that shows a person is qualified for a task.
12. A historical period.
14. Source Firsthand evidence of an event in history.
15. Source A written work or visual representation created by people who were not part of the historical event.
18. Plant and animal remains that have been preserved in the Earth's crust.
19. Imaginary lines that circle Earth parallel to the Equator.
21. A good brought into a country from another country.
23. Something that makes the event happen.
27. A good sent from one country to another in trade.
28. Location The exact location on Earth's surface.