Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 643 · 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.📋 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
2. 2.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
3. 3.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, always (c) no, it breaks a limit (d) yes, it works
4. 4.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 Your team’s budget is ₹28. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
7. 7.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a limit you must keep to (d) a final test
9. 9.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
10. 10.📋 Your team’s budget is ₹21. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
12. 12.📋 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
13. 13.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) Yes (b) No
14. 14.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
15. 15.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
16. 16.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹10. Straws cost ₹2 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.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 200 g. Does it meet the criterion? (a) Yes (b) No
19. 19.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the team names (d) the tools you use
20. 20.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
21. 21.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
22. 22.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
23. 23.🔍 Which is the odd one out? (a) use at most 20 straws (b) lift a cup of water (c) keep ice for 1 hour (d) roll at least 2 metres
24. 24.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
25. 25.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 58 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
27. 27.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
28. 28.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) keep ice for 1 hour (d) fit on a school desk
30. 30.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) Yes (b) No
31. 31.🔍 Which is the odd one out? (a) hold up 500 g (b) carry 10 coins (c) stand in a fan breeze (d) use only paper and tape
32. 32.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
34. 34.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
35. 35.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) lift a cup of water (d) stand in a fan breeze
36. 36.📋 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
37. 37.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
38. 38.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
39. 39.📋 Your team’s budget is ₹128. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
40. 40.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False

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