Social Studies Practice

3. helped Roman stay clean and healthy
5. is 5,500 miles long, built from mud, stone, and bricks, took over 1,000 years to build
6. a place where people work and live together in one area
7. a cart with one wheel and a handle used to move supplies
12. funny play
13. invented the wheel
14. was made by watching the stars, told people when to plant and harvest crops
15. the beliefs and customs of a group
18. used to make the first paper in Egypt
19. from a very long time ago (thousands of years)
20. a group of pipes that carry water to and from homes and buildings

1. a place with rows of seats plays, concerts and movies
2. first thing made with the wheel
4. the first type of plumbing invented by the Romans- a system of underground and above ground channels that move water from one location to another
5. invented the theater
8. a round object that helps things go from one place to place
9. to grow crops and raise animals for food
10. invented the calendar
11. a new object or idea someone makes or thinks of
12. invented the wheelbarrow
16. sad play
17. people had tunnels into their homes (early plumbing)