Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 960 · 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.🔍 Which is the odd one out? (a) carry 10 coins (b) float for 1 minute (c) use at most 20 straws (d) keep ice for 1 hour
2. 2.📋 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
3. 3.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
4. 4.📋 A constraint is … (a) a kind of glue (b) a limit you must keep to (c) a goal for success (d) a final test
5. 5.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.📋 Criteria are … (a) goals a design must meet (b) the tools you use (c) the team names (d) the limits on money
7. 7.📋 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
8. 8.🔍 Which is the odd one out? (a) hold up 500 g (b) stand in a fan breeze (c) be under 30 cm tall (d) carry 10 coins
9. 9.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
10. 10.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
11. 11.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
14. 14.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use at most 20 straws (c) spend at most ₹100 (d) fit on a school desk
15. 15.🔍 Which is the odd one out? (a) use only paper and tape (b) hold up 500 g (c) roll at least 2 metres (d) float for 1 minute
16. 16.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
17. 17.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
18. 18.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
19. 19.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
20. 20.📋 Your team’s budget is ₹37. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
21. 21.📋 Your team’s budget is ₹119. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
22. 22.📋 Your team’s budget is ₹12. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
23. 23.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
24. 24.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
25. 25.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
26. 26.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
27. 27.📋 Your team’s budget is ₹139. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
28. 28.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.🔍 Which is the odd one out? (a) fit on a school desk (b) use at most 20 straws (c) spend at most ₹100 (d) float for 1 minute
30. 30.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
31. 31.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) use at most 20 straws (b) fit on a school desk (c) keep ice for 1 hour (d) use only paper and tape
33. 33.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
34. 34.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
35. 35.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
36. 36.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
37. 37.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
38. 38.📋 Your team’s budget is ₹97. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 90 cm tall. Is it within the constraint? (a) No (b) Yes

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