test - Crossword Labs

8. someone who uses math to measure angles, distances, and elevations on the earth's surfaces
10. being clever, original, and inventive
12. a tool made with a tube that holds liquid with an air bubble used to measure a horizontal plane
13. a change
16. someone who uses science and math to design and construct structures such as buildings, bridges, and tunnels
17. a person who regularly travels from one place to another to get to and from work
19. something made by humans, such as plastic and glass
20. something from nature that people can use in some way, such as water, stone, and wood
21. a push or pull that changes an object's motion

1. the science of how matter and energy work together
2. a structure built to span obstacle such as rivers, canyons, highways, etc.
3. to change or develop slowly over time
4. trying first one thing, then another and another, until something works
5. someone who designs large structures and provides advice on construction
6. scientific or mechanical tools and methods used to do something
7. a semicircular instrument used to measure and construct angles
8. a bridge, tunnel, building, or other object built from a number of different parts that are put together in a certain way
9. the branch of math that looks a the relationship of points, lines, surfaces, and shapes
11. a passageway that goes through or under obstacles such as rivers, mountains, roads, and buildings
14. a new product or way of doing something
15. a curved structure in the shape of an upside-down U
18. a flat or level surface