Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 63 · 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.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
2. 2.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
3. 3.📋 Your team’s budget is ₹164. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.🔍 Which is the odd one out? (a) float for 1 minute (b) stand in a fan breeze (c) be under 30 cm tall (d) carry 10 coins
7. 7.📋 Criteria are … (a) goals a design must meet (b) the limits on money (c) the team names (d) the tools you use
8. 8.🔍 Which is the odd one out? (a) finish in 40 minutes (b) roll at least 2 metres (c) float for 1 minute (d) hold up 500 g
9. 9.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
10. 10.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
11. 11.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
12. 12.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
13. 13.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) carry 10 coins (d) use at most 20 straws
16. 16.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
17. 17.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.📋 Your team’s budget is ₹56. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
20. 20.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
21. 21.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
22. 22.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
23. 23.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) stand in a fan breeze (d) fit on a school desk
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
26. 26.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
27. 27.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
28. 28.📋 Your team’s budget is ₹65. 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.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
31. 31.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) finish in 40 minutes (c) hold up 500 g (d) use only paper and tape
33. 33.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
35. 35.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
40. 40.📋 Your team’s budget is ₹76. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?

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