Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 107 · 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.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) fit on a school desk (d) use only paper and tape
2. 2.📋 Your team’s budget is ₹13. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
3. 3.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
4. 4.📋 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?
5. 5.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
6. 6.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) stand in a fan breeze (c) float for 1 minute (d) spend at most ₹100
7. 7.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use at most 20 straws (c) use only paper and tape (d) spend at most ₹100
8. 8.📋 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
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) No (b) Yes
10. 10.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) No (b) Yes
11. 11.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) Yes (b) No
12. 12.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
13. 13.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) finish in 40 minutes (d) hold up 500 g
15. 15.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
16. 16.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
17. 17.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
18. 18.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
19. 19.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
21. 21.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
25. 25.📋 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
26. 26.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
27. 27.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
28. 28.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 Your team’s budget is ₹156. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
31. 31.🔍 Which is the odd one out? (a) hold up 500 g (b) fit on a school desk (c) stand in a fan breeze (d) keep ice for 1 hour
32. 32.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
33. 33.📋 Your team’s budget is ₹55. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
34. 34.📋 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
35. 35.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) roll at least 2 metres (c) be under 30 cm tall (d) float for 1 minute
36. 36.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
37. 37.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
39. 39.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
40. 40.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True

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