Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 819 · 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.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
2. 2.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
3. 3.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
4. 4.📋 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
5. 5.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
6. 6.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
7. 7.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
8. 8.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
9. 9.📋 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
10. 10.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
11. 11.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) spend at most ₹100 (d) use at most 20 straws
12. 12.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
14. 14.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
15. 15.📋 Your team’s budget is ₹77. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
16. 16.📋 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) yes, always (d) no, it breaks a limit
17. 17.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
18. 18.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
20. 20.📋 Your team’s budget is ₹114. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
21. 21.True or false: “use at most 20 straws” is a constraint (a limit). (a) True (b) False
22. 22.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
23. 23.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
24. 24.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 100 g. Does it meet the criterion? (a) Yes (b) No
25. 25.📋 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
26. 26.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
29. 29.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
30. 30.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a final test (d) a goal for success
31. 31.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) be under 30 cm tall (d) float for 1 minute
32. 32.🔍 Which is the odd one out? (a) stand in a fan breeze (b) fit on a school desk (c) hold up 500 g (d) roll at least 2 metres
33. 33.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes
35. 35.🔍 Which is the odd one out? (a) use only paper and tape (b) be under 30 cm tall (c) fit on a school desk (d) carry 10 coins
36. 36.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.📋 Your team’s budget is ₹72. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
38. 38.True or false: “hold up 500 g” is a constraint (a limit). (a) False (b) True
39. 39.📋 Your team’s budget is ₹77. 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.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint

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