Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 666 · 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 “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.🔍 Which is the odd one out? (a) finish in 40 minutes (b) stand in a fan breeze (c) use only paper and tape (d) be under 30 cm tall
4. 4.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
5. 5.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
6. 6.🔍 Which is the odd one out? (a) use only paper and tape (b) lift a cup of water (c) spend at most ₹100 (d) use at most 20 straws
7. 7.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the team names (d) the limits on money
8. 8.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
9. 9.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) be under 30 cm tall (d) float for 1 minute
10. 10.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
16. 16.🔍 Which is the odd one out? (a) hold up 500 g (b) roll at least 2 metres (c) carry 10 coins (d) fit on a school desk
17. 17.🔍 Which is the odd one out? (a) use only paper and tape (b) finish in 40 minutes (c) roll at least 2 metres (d) use at most 20 straws
18. 18.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
20. 20.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
21. 21.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) float for 1 minute (d) fit on a school desk
22. 22.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
23. 23.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
24. 24.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
25. 25.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
26. 26.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.🔍 Which is the odd one out? (a) carry 10 coins (b) spend at most ₹100 (c) float for 1 minute (d) lift a cup of water
30. 30.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
31. 31.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
32. 32.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) be under 30 cm tall (d) hold up 500 g
34. 34.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
36. 36.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
37. 37.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
38. 38.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
39. 39.📋 Your team’s budget is ₹33. 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.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No

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