Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 942 · 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) use only paper and tape (b) spend at most ₹100 (c) be under 30 cm tall (d) hold up 500 g
2. 2.📋 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?
3. 3.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) roll at least 2 metres (c) float for 1 minute (d) finish in 40 minutes
4. 4.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
5. 5.True or false: “roll at least 2 metres” is a constraint (a limit). (a) False (b) True
6. 6.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 600 g. Does it meet the criterion? (a) No (b) Yes
7. 7.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
8. 8.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
9. 9.True or false: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
10. 10.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
11. 11.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) Yes (b) No
13. 13.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
14. 14.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 950 g. Does it meet the criterion? (a) No (b) Yes
15. 15.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) use at most 20 straws (d) roll at least 2 metres
17. 17.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) keep ice for 1 hour (d) use at most 20 straws
18. 18.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
19. 19.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
20. 20.🔍 Which is the odd one out? (a) spend at most ₹100 (b) fit on a school desk (c) be under 30 cm tall (d) stand in a fan breeze
21. 21.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
22. 22.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
23. 23.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
24. 24.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
25. 25.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) lift a cup of water (b) float for 1 minute (c) hold up 500 g (d) spend at most ₹100
28. 28.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 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
30. 30.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
31. 31.📋 For a model bridge challenge, is “spend at most ₹100” 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 76 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.📋 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
34. 34.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
35. 35.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) roll at least 2 metres (b) be under 30 cm tall (c) float for 1 minute (d) lift a cup of water
37. 37.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
38. 38.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 104 cm tall. Is it within the constraint? (a) Yes (b) No
39. 39.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
40. 40.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False

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