Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 874 · 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 at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
3. 3.📋 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
4. 4.📋 Your team’s budget is ₹44. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
5. 5.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
6. 6.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
8. 8.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
9. 9.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
10. 10.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
11. 11.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
12. 12.📋 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
13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) only if it is red (d) yes, always
14. 14.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
16. 16.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
18. 18.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
19. 19.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.🔍 Which is the odd one out? (a) carry 10 coins (b) finish in 40 minutes (c) lift a cup of water (d) roll at least 2 metres
23. 23.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
24. 24.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
25. 25.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
26. 26.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
28. 28.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
29. 29.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.📋 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
31. 31.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) carry 10 coins (d) finish in 40 minutes
33. 33.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
34. 34.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
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: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
37. 37.📋 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
38. 38.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) carry 10 coins (d) lift a cup of water
39. 39.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹57. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?

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