Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 582 · 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) keep ice for 1 hour (b) lift a cup of water (c) finish in 40 minutes (d) stand in a fan breeze
2. 2.📋 Criteria are … (a) goals a design must meet (b) the team names (c) the tools you use (d) the limits on money
3. 3.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a kind of glue (d) a final test
4. 4.📋 Your team’s budget is ₹66. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
5. 5.🔍 Which is the odd one out? (a) hold up 500 g (b) roll at least 2 metres (c) use at most 20 straws (d) keep ice for 1 hour
6. 6.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
8. 8.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) spend at most ₹100 (b) roll at least 2 metres (c) be under 30 cm tall (d) use only paper and tape
10. 10.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
11. 11.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
12. 12.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
13. 13.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
15. 15.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) No (b) Yes
16. 16.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
17. 17.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) hold up 500 g (d) keep ice for 1 hour
18. 18.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
20. 20.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
21. 21.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
22. 22.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.📋 Your team’s budget is ₹65. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
24. 24.📋 Your team’s budget is ₹82. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
25. 25.📋 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?
26. 26.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) be under 30 cm tall (d) fit on a school desk
27. 27.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) Yes (b) No
28. 28.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 Your team’s budget is ₹120. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
31. 31.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.📋 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) only if it is red (d) yes, always
33. 33.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) keep ice for 1 hour (d) fit on a school desk
37. 37.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) spend at most ₹100 (d) finish in 40 minutes
39. 39.🔍 Which is the odd one out? (a) be under 30 cm tall (b) fit on a school desk (c) carry 10 coins (d) use at most 20 straws
40. 40.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint

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