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학생 지침
Use the 
feature to answer the question.
What changes can you make so that your design is even better?
선생님 메모 (학생들에게는 보이지 않음)
This is step 8 in the engineering process - look for the other activities 1. Goal 2. Materials 3. Working together 4. Plan 5. Create 6. Evaluate 7. Test 8. Improve 9. Looking Back page 1 10. Looking Back page 2
