Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 639 · 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.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
2. 2.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
3. 3.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
4. 4.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
6. 6.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
9. 9.🔍 Which is the odd one out? (a) use at most 20 straws (b) keep ice for 1 hour (c) hold up 500 g (d) lift a cup of water
10. 10.📋 A constraint is … (a) a kind of glue (b) a final test (c) a goal for success (d) a limit you must keep to
11. 11.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
12. 12.📋 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
13. 13.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.📋 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
15. 15.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
16. 16.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
17. 17.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
18. 18.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
19. 19.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Your team’s budget is ₹54. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
21. 21.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) use only paper and tape (b) fit on a school desk (c) spend at most ₹100 (d) lift a cup of water
23. 23.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) roll at least 2 metres (d) keep ice for 1 hour
24. 24.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
25. 25.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
26. 26.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
28. 28.🔍 Which is the odd one out? (a) fit on a school desk (b) roll at least 2 metres (c) spend at most ₹100 (d) use at most 20 straws
29. 29.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
30. 30.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
31. 31.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) use at most 20 straws (d) float for 1 minute
32. 32.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
33. 33.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
34. 34.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
35. 35.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
37. 37.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
38. 38.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
39. 39.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) Yes (b) No
40. 40.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) carry 10 coins (d) use only paper and tape

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