Vocabulary

1. a person who designs, builds, or maintains engines, machines, or public works.
5. the practice or quality of including or involving people from a range of different social and ethnic backgrounds and of different genders, sexual orientations, etc.
8. the programs and other operating information used by a computer.
10. science, technology, engineering and mathematics.
11. an occupation undertaken for a significant period of a person's life and with opportunities for progress.

2. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
3. introduce (something new, especially a product).
4. the branch of science concerned with the nature and properties of matter and energy.
6. is a free social networking microblogging service that allows members to broadcast short posts called tweets
7. related to a city
9. a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair.