Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 672 · 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.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
3. 3.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
4. 4.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
5. 5.📋 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
6. 6.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a kind of glue (d) a final test
7. 7.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
8. 8.🔍 Which is the odd one out? (a) finish in 40 minutes (b) be under 30 cm tall (c) use at most 20 straws (d) lift a cup of water
9. 9.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
10. 10.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) spend at most ₹100 (d) float for 1 minute
13. 13.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
14. 14.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
15. 15.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
16. 16.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
17. 17.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) No (b) Yes
18. 18.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
19. 19.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) carry 10 coins (d) use at most 20 straws
20. 20.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) No (b) Yes
21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
22. 22.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
23. 23.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 60 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
25. 25.🔍 Which is the odd one out? (a) carry 10 coins (b) float for 1 minute (c) fit on a school desk (d) stand in a fan breeze
26. 26.📋 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
27. 27.🔍 Which is the odd one out? (a) stand in a fan breeze (b) use only paper and tape (c) spend at most ₹100 (d) use at most 20 straws
28. 28.🔍 Which is the odd one out? (a) float for 1 minute (b) lift a cup of water (c) use at most 20 straws (d) hold up 500 g
29. 29.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
30. 30.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, always (c) yes, it works (d) only if it is red
31. 31.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
32. 32.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use at most 20 straws (c) be under 30 cm tall (d) use only paper and tape
33. 33.True or false: “carry 10 coins” is a constraint (a limit). (a) True (b) False
34. 34.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
35. 35.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
36. 36.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
37. 37.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 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
39. 39.📋 Your team’s budget is ₹73. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
40. 40.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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