1. Choose: She uses a timer ____ save time.

2. Choose: He left early ____ he would not be late.

3. Choose: If I ____ a robot, I would send it to school.

4. Choose: I wish I ____ more free time.

5. Choose: The woman ____ designed the chair is my aunt.

6. Choose: This is the lab ____ we test our models.

7. Choose the best feedback.

8. Choose: We ____ four versions so far.

9. Write a short report (6–8 sentences) about a design project you imagine: the problem, two attempts and what you learned.

10. Complete: (a) If I ____ (be) a designer, I ____ (build) a solar bench. (b) I use a ruler ____ draw straight lines.