Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 184 · 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 “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
2. 2.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
3. 3.🔍 Which is the odd one out? (a) be under 30 cm tall (b) stand in a fan breeze (c) float for 1 minute (d) lift a cup of water
4. 4.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the limits on money (d) the team names
7. 7.📋 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
8. 8.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
10. 10.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
11. 11.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
12. 12.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
14. 14.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
15. 15.📋 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
16. 16.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
17. 17.📋 Your team’s budget is ₹34. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
18. 18.🔍 Which is the odd one out? (a) fit on a school desk (b) lift a cup of water (c) use at most 20 straws (d) be under 30 cm tall
19. 19.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
20. 20.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
21. 21.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
22. 22.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) roll at least 2 metres (d) spend at most ₹100
25. 25.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) finish in 40 minutes (d) stand in a fan breeze
26. 26.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
27. 27.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
28. 28.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.📋 Your team’s budget is ₹58. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
30. 30.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
31. 31.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
32. 32.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 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
35. 35.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.📋 Your team’s budget is ₹73. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
37. 37.📋 Your team’s budget is ₹129. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
38. 38.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
39. 39.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) float for 1 minute (b) keep ice for 1 hour (c) fit on a school desk (d) hold up 500 g

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