In a separate sheet of paper, answer the following questions to practice critical part of inventive thinking.
1. Is my idea practical?

2. Can it be made easily?

3. Is it as simple as possible?

4. Is it safe?

5. Will it cost too much to make or use?

6. Is my idea really new?

7. Will it withstand use, or will it break easily?

8. Is my idea similar to something else?

9. Will people really use my invention? (Survey your family members to document the need or usefulness of your idea.)​