Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 454 · 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.🔍 Which is the odd one out? (a) use only paper and tape (b) lift a cup of water (c) stand in a fan breeze (d) float for 1 minute
2. 2.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
3. 3.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
4. 4.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
5. 5.🔍 Which is the odd one out? (a) be under 30 cm tall (b) hold up 500 g (c) lift a cup of water (d) keep ice for 1 hour
6. 6.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) roll at least 2 metres (d) lift a cup of water
7. 7.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
9. 9.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
10. 10.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) fit on a school desk (d) spend at most ₹100
12. 12.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) yes, it works (d) no, it breaks a limit
13. 13.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
14. 14.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) No (b) Yes
15. 15.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
18. 18.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
19. 19.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
20. 20.📋 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
21. 21.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
22. 22.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
26. 26.📋 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
27. 27.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
29. 29.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) finish in 40 minutes (d) float for 1 minute
30. 30.📋 Your team’s budget is ₹36. 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.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
32. 32.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
33. 33.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
34. 34.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
36. 36.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
37. 37.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No

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