Across
- 2. something your invention needs to work
- 5. when two things are rubbed together movement slows down
- 6. two forces that are the same and do not cause movement
- 7. a force that moves something towards from you
- 8. something that makes the engineering design process harder
- 9. a force that moves something away from you
- 10. a machine that we use everyday like a screw, inclined plane, or pulley
Down
- 1. the first creation of your invention
- 3. the process used to design something new. 1.ask 2.design 3.create 4.test 5.improve
- 4. two forces that are different and cause movement
- 5. a push or pull that starts, stops, or changes movement