Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 403 · 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) finish in 40 minutes (b) stand in a fan breeze (c) use at most 20 straws (d) use only paper and tape
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.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
4. 4.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) Yes (b) No
5. 5.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) spend at most ₹100 (d) roll at least 2 metres
6. 6.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
7. 7.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
9. 9.📋 Your team’s budget is ₹87. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
10. 10.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, it works (c) yes, always (d) only if it is red
13. 13.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
14. 14.📋 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
15. 15.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) carry 10 coins (d) use at most 20 straws
16. 16.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 30 cm tall. Is it within the constraint? (a) Yes (b) No
17. 17.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) fit on a school desk (d) lift a cup of water
21. 21.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
22. 22.📋 Your team’s budget is ₹16. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the team names (d) the tools you use
24. 24.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) use only paper and tape (d) fit on a school desk
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Your team’s budget is ₹134. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
29. 29.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
32. 32.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 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
34. 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 70 cm tall. Is it within the constraint? (a) No (b) Yes
35. 35.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
36. 36.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) Yes (b) No
37. 37.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) carry 10 coins (b) float for 1 minute (c) hold up 500 g (d) use only paper and tape
39. 39.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
40. 40.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True

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