Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 172 · 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: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
2. 2.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
4. 4.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the tools you use (d) the limits on money
5. 5.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
7. 7.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) spend at most ₹100 (d) hold up 500 g
8. 8.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
9. 9.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
10. 10.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
11. 11.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) no, it breaks a limit (c) yes, it works (d) yes, always
13. 13.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
15. 15.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
16. 16.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
20. 20.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
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.📋 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
24. 24.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) fit on a school desk (d) roll at least 2 metres
25. 25.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
26. 26.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) keep ice for 1 hour (d) use at most 20 straws
27. 27.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
28. 28.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
30. 30.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
32. 32.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) spend at most ₹100 (d) stand in a fan breeze
34. 34.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
35. 35.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
37. 37.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) use at most 20 straws (d) use only paper and tape
39. 39.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
40. 40.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion

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