Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 727 · 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 ₹12. 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.🔍 Which is the odd one out? (a) float for 1 minute (b) roll at least 2 metres (c) use only paper and tape (d) lift a cup of water
3. 3.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
5. 5.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
6. 6.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
8. 8.📋 Your team’s budget is ₹91. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
9. 9.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
10. 10.🔍 Which is the odd one out? (a) spend at most ₹100 (b) stand in a fan breeze (c) finish in 40 minutes (d) use only paper and tape
11. 11.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
12. 12.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
13. 13.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
14. 14.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
15. 15.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) be under 30 cm tall (d) keep ice for 1 hour
16. 16.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
18. 18.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
19. 19.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
20. 20.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
21. 21.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
22. 22.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
24. 24.📋 Your team’s budget is ₹87. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
25. 25.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
26. 26.📋 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
27. 27.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
28. 28.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
29. 29.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
30. 30.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
32. 32.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
33. 33.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
35. 35.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
36. 36.📋 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
37. 37.📋 Your team’s budget is ₹41. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
38. 38.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.🔍 Which is the odd one out? (a) fit on a school desk (b) hold up 500 g (c) use at most 20 straws (d) be under 30 cm tall

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