Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 869 · 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 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) Yes (b) No
2. 2.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) be under 30 cm tall (d) lift a cup of water
3. 3.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 38 cm tall. Is it within the constraint? (a) Yes (b) No
4. 4.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
5. 5.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) hold up 500 g (d) fit on a school desk
6. 6.📋 Your team’s budget is ₹36. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
7. 7.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
9. 9.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
10. 10.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
11. 11.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
12. 12.📋 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
13. 13.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
14. 14.📋 A constraint is … (a) a final test (b) a limit you must keep to (c) a kind of glue (d) a goal for success
15. 15.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
16. 16.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
17. 17.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
18. 18.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.🔍 Which is the odd one out? (a) spend at most ₹100 (b) carry 10 coins (c) finish in 40 minutes (d) use at most 20 straws
20. 20.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
21. 21.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
22. 22.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) Yes (b) No
24. 24.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) fit on a school desk (c) use at most 20 straws (d) spend at most ₹100
27. 27.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) only if it is red (b) yes, it works (c) no, it breaks a limit (d) yes, always
28. 28.🔍 Which is the odd one out? (a) finish in 40 minutes (b) keep ice for 1 hour (c) roll at least 2 metres (d) float for 1 minute
29. 29.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
30. 30.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) spend at most ₹100 (b) roll at least 2 metres (c) use at most 20 straws (d) use only paper and tape
32. 32.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
33. 33.📋 Your team’s budget is ₹99. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
34. 34.🔍 Which is the odd one out? (a) carry 10 coins (b) hold up 500 g (c) spend at most ₹100 (d) lift a cup of water
35. 35.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
36. 36.📋 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
37. 37.📋 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
38. 38.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 102 cm tall. Is it within the constraint? (a) No (b) Yes
39. 39.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) float for 1 minute (d) roll at least 2 metres
40. 40.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False

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