Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 881 · 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: “carry 10 coins” is a constraint (a limit). (a) True (b) False
2. 2.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
3. 3.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
5. 5.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
6. 6.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
8. 8.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) use only paper and tape (d) carry 10 coins
9. 9.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) use only paper and tape (b) keep ice for 1 hour (c) finish in 40 minutes (d) be under 30 cm tall
12. 12.📋 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, it works (d) yes, always
13. 13.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
14. 14.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
15. 15.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
16. 16.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No
18. 18.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
19. 19.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
20. 20.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
21. 21.📋 Your team’s budget is ₹52. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a final test (d) a kind of glue
23. 23.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.🔍 Which is the odd one out? (a) roll at least 2 metres (b) keep ice for 1 hour (c) float for 1 minute (d) fit on a school desk
25. 25.📋 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
26. 26.📋 Your team’s budget is ₹98. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
27. 27.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) spend at most ₹100 (d) stand in a fan breeze
28. 28.📋 Criteria are … (a) the team names (b) the limits on money (c) the tools you use (d) goals a design must meet
29. 29.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
31. 31.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) use only paper and tape (d) roll at least 2 metres
33. 33.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
34. 34.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹20. 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 700 g. Does it meet the criterion? (a) Yes (b) No
36. 36.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
37. 37.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) use only paper and tape (d) hold up 500 g
39. 39.📋 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
40. 40.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes

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