Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 749 · 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.📋 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
2. 2.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) be under 30 cm tall (d) roll at least 2 metres
3. 3.🔍 Which is the odd one out? (a) float for 1 minute (b) fit on a school desk (c) use only paper and tape (d) use at most 20 straws
4. 4.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use at most 20 straws (c) fit on a school desk (d) use only paper and tape
5. 5.📋 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
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) lift a cup of water (b) keep ice for 1 hour (c) hold up 500 g (d) use at most 20 straws
8. 8.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
10. 10.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
12. 12.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
13. 13.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
14. 14.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
15. 15.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
16. 16.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
18. 18.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
19. 19.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
20. 20.📋 A constraint is … (a) a final test (b) a kind of glue (c) a goal for success (d) a limit you must keep to
21. 21.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
22. 22.🔍 Which is the odd one out? (a) be under 30 cm tall (b) spend at most ₹100 (c) use at most 20 straws (d) lift a cup of water
23. 23.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) hold up 500 g (c) finish in 40 minutes (d) stand in a fan breeze
24. 24.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
25. 25.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) No (b) Yes
27. 27.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
28. 28.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
30. 30.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
31. 31.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
32. 32.📋 Your team’s budget is ₹45. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
33. 33.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) Yes (b) No
34. 34.🔍 Which is the odd one out? (a) spend at most ₹100 (b) hold up 500 g (c) stand in a fan breeze (d) lift a cup of water
35. 35.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.🔍 Which is the odd one out? (a) use only paper and tape (b) float for 1 minute (c) lift a cup of water (d) roll at least 2 metres
37. 37.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
38. 38.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
39. 39.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
40. 40.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion

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