Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 165 · 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 “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
3. 3.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) lift a cup of water (d) stand in a fan breeze
4. 4.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.🔍 Which is the odd one out? (a) use only paper and tape (b) hold up 500 g (c) keep ice for 1 hour (d) roll at least 2 metres
6. 6.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
7. 7.📋 Your team’s budget is ₹17. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
8. 8.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) only if it is red (c) yes, it works (d) no, it breaks a limit
11. 11.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
13. 13.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
14. 14.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
16. 16.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
18. 18.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
19. 19.🔍 Which is the odd one out? (a) lift a cup of water (b) spend at most ₹100 (c) carry 10 coins (d) roll at least 2 metres
20. 20.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use only paper and tape (c) spend at most ₹100 (d) finish in 40 minutes
21. 21.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
23. 23.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
24. 24.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) No (b) Yes
25. 25.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
26. 26.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
27. 27.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
28. 28.🔍 Which is the odd one out? (a) fit on a school desk (b) use only paper and tape (c) be under 30 cm tall (d) hold up 500 g
29. 29.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
30. 30.True or false: “use only paper and tape” is a constraint (a limit). (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use only paper and tape (c) lift a cup of water (d) spend at most ₹100
32. 32.📋 Your team’s budget is ₹50. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
33. 33.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) roll at least 2 metres (d) use at most 20 straws
34. 34.📋 Your team’s budget is ₹94. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
35. 35.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
36. 36.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
37. 37.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) use at most 20 straws (d) carry 10 coins
39. 39.🔍 Which is the odd one out? (a) float for 1 minute (b) be under 30 cm tall (c) use only paper and tape (d) use at most 20 straws
40. 40.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True

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