Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 270 · 40 questions

Engineer's tip (Limits and goals): Constraint = a limit on money, materials, time or size. Criterion = a goal: what the design must do. Check both with numbers: money left ÷ price for how many you can buy; result ≥ goal for “meets it”.

1. 1.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
2. 2.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
4. 4.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
5. 5.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
6. 6.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) fit on a school desk (d) hold up 500 g
8. 8.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
10. 10.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
12. 12.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) No (b) Yes
13. 13.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) float for 1 minute (b) spend at most ₹100 (c) be under 30 cm tall (d) use at most 20 straws
16. 16.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) lift a cup of water (b) carry 10 coins (c) fit on a school desk (d) keep ice for 1 hour
19. 19.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
20. 20.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) finish in 40 minutes (d) fit on a school desk
22. 22.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 Your team’s budget is ₹81. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.🔍 Which is the odd one out? (a) use at most 20 straws (b) roll at least 2 metres (c) use only paper and tape (d) finish in 40 minutes
25. 25.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
26. 26.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) float for 1 minute (b) carry 10 coins (c) lift a cup of water (d) use only paper and tape
28. 28.📋 Your team’s budget is ₹119. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
29. 29.🔍 Which is the odd one out? (a) stand in a fan breeze (b) float for 1 minute (c) be under 30 cm tall (d) carry 10 coins
30. 30.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
31. 31.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
33. 33.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
34. 34.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
35. 35.📋 Your team’s budget is ₹137. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
36. 36.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
37. 37.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
38. 38.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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