Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 309 · 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.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
2. 2.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) roll at least 2 metres (d) carry 10 coins
3. 3.📋 Your team’s budget is ₹39. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
4. 4.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
5. 5.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
6. 6.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) Yes (b) No
7. 7.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 26 cm tall. Is it within the constraint? (a) No (b) Yes
8. 8.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
9. 9.📋 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
10. 10.📋 Criteria are … (a) the tools you use (b) the team names (c) the limits on money (d) goals a design must meet
11. 11.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 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
13. 13.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
14. 14.📋 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
15. 15.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
16. 16.📋 Your team’s budget is ₹46. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
17. 17.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
19. 19.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
20. 20.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
21. 21.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
22. 22.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) No (b) Yes
23. 23.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
24. 24.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) No (b) Yes
25. 25.🔍 Which is the odd one out? (a) fit on a school desk (b) float for 1 minute (c) carry 10 coins (d) hold up 500 g
26. 26.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 92 cm tall. Is it within the constraint? (a) Yes (b) No
27. 27.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
28. 28.📋 Your team’s budget is ₹60. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
29. 29.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
30. 30.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
31. 31.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
32. 32.📋 Your team’s budget is ₹78. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
33. 33.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
34. 34.📋 Your team’s budget is ₹69. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
35. 35.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
36. 36.📋 Your team’s budget is ₹79. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
37. 37.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 32 cm tall. Is it within the constraint? (a) No (b) Yes
38. 38.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
39. 39.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
40. 40.📋 Your team’s budget is ₹32. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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