Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 764 · 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.📋 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
2. 2.🔍 Which is the odd one out? (a) be under 30 cm tall (b) keep ice for 1 hour (c) use only paper and tape (d) fit on a school desk
3. 3.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) yes, it works (d) only if it is red
5. 5.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) use at most 20 straws (d) float for 1 minute
6. 6.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) spend at most ₹100 (d) lift a cup of water
8. 8.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
10. 10.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
13. 13.📋 Your team’s budget is ₹84. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
14. 14.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
15. 15.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) float for 1 minute (d) spend at most ₹100
18. 18.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
19. 19.📋 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?
20. 20.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) carry 10 coins (d) hold up 500 g
21. 21.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
22. 22.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
25. 25.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
26. 26.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
28. 28.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) No (b) Yes
29. 29.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
30. 30.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
31. 31.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
34. 34.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
35. 35.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
36. 36.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) roll at least 2 metres (d) be under 30 cm tall
37. 37.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
38. 38.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
40. 40.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No

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