Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 2 · 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.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.🔍 Which is the odd one out? (a) stand in a fan breeze (b) spend at most ₹100 (c) use at most 20 straws (d) fit on a school desk
3. 3.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) hold up 500 g (d) carry 10 coins
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.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
6. 6.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, always (d) yes, it works
7. 7.🔍 Which is the odd one out? (a) lift a cup of water (b) use at most 20 straws (c) spend at most ₹100 (d) finish in 40 minutes
8. 8.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
10. 10.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) Yes (b) No
11. 11.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
12. 12.📋 Criteria are … (a) the limits on money (b) the team names (c) goals a design must meet (d) the tools you use
13. 13.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
14. 14.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
15. 15.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) fit on a school desk (d) float for 1 minute
17. 17.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
18. 18.🔍 Which is the odd one out? (a) carry 10 coins (b) lift a cup of water (c) float for 1 minute (d) use only paper and tape
19. 19.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
22. 22.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
23. 23.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
24. 24.🔍 Which is the odd one out? (a) hold up 500 g (b) float for 1 minute (c) finish in 40 minutes (d) stand in a fan breeze
25. 25.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
26. 26.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) lift a cup of water (b) spend at most ₹100 (c) hold up 500 g (d) float for 1 minute
28. 28.📋 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
29. 29.🔍 Which is the odd one out? (a) use only paper and tape (b) roll at least 2 metres (c) be under 30 cm tall (d) spend at most ₹100
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.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
32. 32.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
33. 33.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 Your team’s budget is ₹68. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
35. 35.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
36. 36.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
37. 37.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
38. 38.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False

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