Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 920 · 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) stand in a fan breeze (b) float for 1 minute (c) roll at least 2 metres (d) spend at most ₹100
2. 2.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
4. 4.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
5. 5.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
6. 6.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
7. 7.📋 Your team’s budget is ₹32. 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.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
9. 9.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
10. 10.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
11. 11.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
12. 12.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
13. 13.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) spend at most ₹100 (d) finish in 40 minutes
14. 14.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.🔍 Which is the odd one out? (a) use only paper and tape (b) float for 1 minute (c) spend at most ₹100 (d) be under 30 cm tall
16. 16.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
17. 17.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) keep ice for 1 hour (d) use at most 20 straws
18. 18.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) carry 10 coins (c) roll at least 2 metres (d) use at most 20 straws
19. 19.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
21. 21.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
22. 22.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 40 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
24. 24.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
25. 25.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
28. 28.📋 Your team’s budget is ₹41. 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.📋 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
30. 30.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) lift a cup of water (d) be under 30 cm tall
31. 31.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) Yes (b) No
32. 32.📋 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
33. 33.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.🔍 Which is the odd one out? (a) roll at least 2 metres (b) stand in a fan breeze (c) fit on a school desk (d) keep ice for 1 hour
35. 35.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
36. 36.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 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
38. 38.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?

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