Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 139 · 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) spend at most ₹100 (b) carry 10 coins (c) hold up 500 g (d) float for 1 minute
2. 2.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) use at most 20 straws (d) keep ice for 1 hour
4. 4.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
5. 5.📋 Your team’s budget is ₹70. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
6. 6.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
7. 7.📋 Your team’s budget is ₹47. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 Your team’s budget is ₹75. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
9. 9.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
10. 10.📋 Your team’s budget is ₹31. 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 “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
12. 12.🔍 Which is the odd one out? (a) float for 1 minute (b) finish in 40 minutes (c) fit on a school desk (d) use only paper and tape
13. 13.🔍 Which is the odd one out? (a) be under 30 cm tall (b) carry 10 coins (c) float for 1 minute (d) keep ice for 1 hour
14. 14.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
15. 15.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
16. 16.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
18. 18.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) float for 1 minute (b) hold up 500 g (c) stand in a fan breeze (d) use only paper and tape
20. 20.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) stand in a fan breeze (d) be under 30 cm tall
21. 21.📋 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
22. 22.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1150 g. Does it meet the criterion? (a) No (b) Yes
23. 23.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) only if it is red (d) no, it breaks a limit
25. 25.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
26. 26.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
27. 27.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
28. 28.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
29. 29.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.📋 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
31. 31.🔍 Which is the odd one out? (a) use only paper and tape (b) finish in 40 minutes (c) roll at least 2 metres (d) be under 30 cm tall
32. 32.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) No (b) Yes
34. 34.🔍 Which is the odd one out? (a) carry 10 coins (b) finish in 40 minutes (c) be under 30 cm tall (d) use only paper and tape
35. 35.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
36. 36.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
37. 37.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) finish in 40 minutes (d) lift a cup of water
38. 38.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
40. 40.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion

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