Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 905 · 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) finish in 40 minutes (b) float for 1 minute (c) spend at most ₹100 (d) be under 30 cm tall
2. 2.📋 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
3. 3.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
4. 4.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
5. 5.📋 Your team’s budget is ₹11. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
6. 6.📋 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
7. 7.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) spend at most ₹100 (c) stand in a fan breeze (d) float for 1 minute
10. 10.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
11. 11.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
12. 12.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
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.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) lift a cup of water (d) keep ice for 1 hour
17. 17.📋 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
18. 18.🔍 Which is the odd one out? (a) roll at least 2 metres (b) fit on a school desk (c) be under 30 cm tall (d) spend at most ₹100
19. 19.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
20. 20.📋 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
21. 21.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
22. 22.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
23. 23.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
24. 24.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
25. 25.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) carry 10 coins (d) use at most 20 straws
26. 26.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
30. 30.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
31. 31.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
34. 34.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
35. 35.📋 Your team’s budget is ₹18. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
36. 36.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
37. 37.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
38. 38.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.📋 Your team’s budget is ₹83. 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 ₹30. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?

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