Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 15 · 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.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
3. 3.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
5. 5.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
6. 6.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
7. 7.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
8. 8.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
9. 9.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) stand in a fan breeze (d) hold up 500 g
10. 10.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, always (d) yes, it works
12. 12.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
13. 13.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
15. 15.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
16. 16.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
17. 17.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
18. 18.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) be under 30 cm tall (d) hold up 500 g
19. 19.📋 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
20. 20.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
21. 21.🔍 Which is the odd one out? (a) use at most 20 straws (b) float for 1 minute (c) spend at most ₹100 (d) be under 30 cm tall
22. 22.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
24. 24.📋 Your team’s budget is ₹86. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
28. 28.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.🔍 Which is the odd one out? (a) stand in a fan breeze (b) float for 1 minute (c) hold up 500 g (d) use only paper and tape
30. 30.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
33. 33.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
34. 34.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
35. 35.🔍 Which is the odd one out? (a) fit on a school desk (b) use only paper and tape (c) be under 30 cm tall (d) roll at least 2 metres
36. 36.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
37. 37.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
38. 38.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
40. 40.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint

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