Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 568 · 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 “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
3. 3.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
5. 5.📋 Your team’s budget is ₹168. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
6. 6.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) carry 10 coins (d) spend at most ₹100
7. 7.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
9. 9.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.📋 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
11. 11.📋 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
12. 12.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) float for 1 minute (d) roll at least 2 metres
14. 14.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
15. 15.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
17. 17.📋 A constraint is … (a) a limit you must keep to (b) a final test (c) a goal for success (d) a kind of glue
18. 18.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) No (b) Yes
20. 20.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) keep ice for 1 hour (d) fit on a school desk
21. 21.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
22. 22.🔍 Which is the odd one out? (a) be under 30 cm tall (b) lift a cup of water (c) fit on a school desk (d) use at most 20 straws
23. 23.📋 Your team’s budget is ₹157. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.🔍 Which is the odd one out? (a) stand in a fan breeze (b) lift a cup of water (c) float for 1 minute (d) use only paper and tape
25. 25.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
26. 26.📋 Your team’s budget is ₹111. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
27. 27.🔍 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
28. 28.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
30. 30.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
31. 31.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
32. 32.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
33. 33.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) lift a cup of water (c) carry 10 coins (d) spend at most ₹100
36. 36.📋 Your team’s budget is ₹71. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
37. 37.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
38. 38.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
39. 39.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?

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