Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 93 · 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.🔍 Which is the odd one out? (a) hold up 500 g (b) use at most 20 straws (c) roll at least 2 metres (d) keep ice for 1 hour
2. 2.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
3. 3.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the team names (d) the tools you use
4. 4.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
5. 5.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
6. 6.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
8. 8.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) carry 10 coins (d) use only paper and tape
9. 9.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
10. 10.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
11. 11.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) fit on a school desk (d) hold up 500 g
12. 12.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) no, it breaks a limit (d) only if it is red
14. 14.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
16. 16.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
17. 17.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) spend at most ₹100 (d) keep ice for 1 hour
19. 19.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) Yes (b) No
20. 20.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
21. 21.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
22. 22.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
23. 23.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
24. 24.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
25. 25.📋 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
26. 26.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
28. 28.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) Yes (b) No
29. 29.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
31. 31.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
32. 32.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) lift a cup of water (d) hold up 500 g
34. 34.📋 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
35. 35.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
36. 36.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
37. 37.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) Yes (b) No
38. 38.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
40. 40.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False

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