Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 431 · 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.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
2. 2.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
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.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
7. 7.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) float for 1 minute (d) use only paper and tape
10. 10.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
11. 11.📋 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
12. 12.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the tools you use (d) the limits on money
14. 14.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
15. 15.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
16. 16.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
17. 17.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
18. 18.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
19. 19.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
20. 20.📋 Your team’s budget is ₹83. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
21. 21.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
22. 22.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
23. 23.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
24. 24.📋 Your team’s budget is ₹93. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
25. 25.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
26. 26.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
27. 27.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
28. 28.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
29. 29.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) fit on a school desk (d) keep ice for 1 hour
30. 30.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 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, it works (d) yes, always
35. 35.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
36. 36.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) use at most 20 straws (d) use only paper and tape
37. 37.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
38. 38.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) finish in 40 minutes (d) roll at least 2 metres
40. 40.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) Yes (b) No

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