Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 185 · 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 ₹27. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
2. 2.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
3. 3.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
5. 5.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) No (b) Yes
6. 6.📋 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) yes, always (d) only if it is red
7. 7.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
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 “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
12. 12.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
13. 13.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) carry 10 coins (b) use only paper and tape (c) fit on a school desk (d) finish in 40 minutes
17. 17.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
19. 19.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
20. 20.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
21. 21.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 Your team’s budget is ₹135. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the team names (d) the limits on money
25. 25.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
26. 26.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
27. 27.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
28. 28.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
29. 29.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
30. 30.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.🔍 Which is the odd one out? (a) float for 1 minute (b) lift a cup of water (c) carry 10 coins (d) finish in 40 minutes
32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) be under 30 cm tall (d) spend at most ₹100
33. 33.🔍 Which is the odd one out? (a) lift a cup of water (b) use only paper and tape (c) roll at least 2 metres (d) keep ice for 1 hour
34. 34.📋 Your team’s budget is ₹98. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
35. 35.📋 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
36. 36.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
37. 37.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) finish in 40 minutes (d) use at most 20 straws

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