Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 933 · 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.📋 A constraint is … (a) a final test (b) a goal for success (c) a limit you must keep to (d) a kind of glue
2. 2.True or false: “lift a cup of water” is a constraint (a limit). (a) False (b) True
3. 3.📋 Your team’s budget is ₹77. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
4. 4.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
5. 5.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
7. 7.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) fit on a school desk (d) carry 10 coins
9. 9.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) No (b) Yes
10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) only if it is red (c) no, it breaks a limit (d) yes, always
11. 11.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.🔍 Which is the odd one out? (a) use at most 20 straws (b) be under 30 cm tall (c) finish in 40 minutes (d) roll at least 2 metres
14. 14.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
16. 16.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
17. 17.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1050 g. Does it meet the criterion? (a) No (b) Yes
19. 19.📋 Criteria are … (a) the tools you use (b) the team names (c) goals a design must meet (d) the limits on money
20. 20.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 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
22. 22.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
23. 23.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) No (b) Yes
24. 24.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
25. 25.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
27. 27.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
29. 29.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) keep ice for 1 hour (d) fit on a school desk
30. 30.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
31. 31.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
32. 32.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) carry 10 coins (b) stand in a fan breeze (c) roll at least 2 metres (d) use only paper and tape
34. 34.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 62 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.📋 Your team’s budget is ₹92. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
36. 36.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
37. 37.📋 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
38. 38.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
39. 39.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
40. 40.📋 Your team’s budget is ₹11. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?

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