Lesson 4: 
1. 50 min: Students will begin brainstorming possible solutions to real world problems.  Students will continue by going through the motions of the engineering design process.  (See figure above.)
2. Students will use engineering software programs (example: Tinkercad) to draw their prototypes.
3. Students will get critiqued by teacher and will correct/revise their work, as needed.
Assessment:  Assessment:  Ongoing monitoring by teacher.