Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 100 · 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.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
2. 2.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
3. 3.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
5. 5.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
7. 7.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) be under 30 cm tall (d) use only paper and tape
8. 8.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
9. 9.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
11. 11.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) fit on a school desk (d) use only paper and tape
12. 12.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) Yes (b) No
13. 13.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
14. 14.📋 Your team’s budget is ₹100. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.📋 Your team’s budget is ₹14. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
17. 17.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
18. 18.📋 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
19. 19.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) float for 1 minute (d) keep ice for 1 hour
20. 20.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
21. 21.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Your team’s budget is ₹117. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
23. 23.🔍 Which is the odd one out? (a) use at most 20 straws (b) hold up 500 g (c) fit on a school desk (d) be under 30 cm tall
24. 24.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.🔍 Which is the odd one out? (a) use at most 20 straws (b) lift a cup of water (c) be under 30 cm tall (d) spend at most ₹100
26. 26.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
27. 27.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
28. 28.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) keep ice for 1 hour (d) lift a cup of water
33. 33.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
34. 34.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
35. 35.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
36. 36.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
37. 37.📋 Criteria are … (a) the tools you use (b) the limits on money (c) the team names (d) goals a design must meet
38. 38.📋 Your team’s budget is ₹135. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
39. 39.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
40. 40.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint

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