Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 424 · 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.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
2. 2.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) spend at most ₹100 (d) finish in 40 minutes
4. 4.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) Yes (b) No
5. 5.🔍 Which is the odd one out? (a) fit on a school desk (b) finish in 40 minutes (c) spend at most ₹100 (d) lift a cup of water
6. 6.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, always (c) yes, it works (d) only if it is red
7. 7.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
8. 8.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹5. 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.📋 A constraint is … (a) a limit you must keep to (b) a kind of glue (c) a goal for success (d) a final test
12. 12.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Criteria are … (a) the limits on money (b) the tools you use (c) the team names (d) goals a design must meet
15. 15.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) finish in 40 minutes (d) spend at most ₹100
17. 17.📋 Your team’s budget is ₹124. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
19. 19.📋 Your team’s budget is ₹43. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
20. 20.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
23. 23.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 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
25. 25.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) spend at most ₹100 (b) hold up 500 g (c) be under 30 cm tall (d) use only paper and tape
27. 27.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
28. 28.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
30. 30.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) No (b) Yes
31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) roll at least 2 metres (d) finish in 40 minutes
34. 34.📋 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
35. 35.🔍 Which is the odd one out? (a) roll at least 2 metres (b) hold up 500 g (c) use only paper and tape (d) keep ice for 1 hour
36. 36.📋 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
37. 37.🔍 Which is the odd one out? (a) use only paper and tape (b) float for 1 minute (c) use at most 20 straws (d) be under 30 cm tall
38. 38.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
39. 39.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No

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