Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 443 · 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 500 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
2. 2.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
4. 4.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
5. 5.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
7. 7.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
8. 8.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
9. 9.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
10. 10.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
12. 12.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
13. 13.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Your team’s budget is ₹15. 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 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
16. 16.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
18. 18.🔍 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) fit on a school desk
19. 19.🔍 Which is the odd one out? (a) roll at least 2 metres (b) keep ice for 1 hour (c) float for 1 minute (d) use only paper and tape
20. 20.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
21. 21.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 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
23. 23.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
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.🔍 Which is the odd one out? (a) hold up 500 g (b) use only paper and tape (c) spend at most ₹100 (d) be under 30 cm tall
26. 26.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
27. 27.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
28. 28.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
30. 30.🔍 Which is the odd one out? (a) hold up 500 g (b) float for 1 minute (c) keep ice for 1 hour (d) fit on a school desk
31. 31.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
32. 32.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 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
34. 34.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
35. 35.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
37. 37.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
38. 38.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
39. 39.📋 Your team’s budget is ₹102. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
40. 40.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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