Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 718 · 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: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
2. 2.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
3. 3.📋 Your team’s budget is ₹92. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
4. 4.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) roll at least 2 metres (d) float for 1 minute
5. 5.True or false: “fit on a school desk” is a constraint (a limit). (a) False (b) True
6. 6.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
7. 7.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 Your team’s budget is ₹24. 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.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
10. 10.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) finish in 40 minutes (d) lift a cup of water
11. 11.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
12. 12.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) use at most 20 straws (d) be under 30 cm tall
13. 13.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
14. 14.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
16. 16.🔍 Which is the odd one out? (a) be under 30 cm tall (b) hold up 500 g (c) carry 10 coins (d) stand in a fan breeze
17. 17.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) use only paper and tape (d) float for 1 minute
19. 19.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
20. 20.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
21. 21.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
22. 22.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.📋 Your team’s budget is ₹25. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
24. 24.📋 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
25. 25.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
26. 26.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 28 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.🔍 Which is the odd one out? (a) spend at most ₹100 (b) roll at least 2 metres (c) use only paper and tape (d) fit on a school desk
29. 29.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
30. 30.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
31. 31.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
32. 32.📋 Your team’s budget is ₹118. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) spend at most ₹100 (b) float for 1 minute (c) use only paper and tape (d) fit on a school desk
34. 34.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
35. 35.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
36. 36.📋 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
37. 37.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
38. 38.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) Yes (b) No
39. 39.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
40. 40.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint

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