Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 938 · 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.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 50 g. Does it meet the criterion? (a) Yes (b) No
2. 2.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a final test (d) a limit you must keep to
3. 3.True or false: “use only paper and tape” is a constraint (a limit). (a) True (b) False
4. 4.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) only if it is red (c) yes, it works (d) yes, always
5. 5.📋 Your team’s budget is ₹15. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
6. 6.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
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.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
9. 9.🔍 Which is the odd one out? (a) stand in a fan breeze (b) float for 1 minute (c) carry 10 coins (d) finish in 40 minutes
10. 10.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
11. 11.🔍 Which is the odd one out? (a) be under 30 cm tall (b) finish in 40 minutes (c) spend at most ₹100 (d) stand in a fan breeze
12. 12.📋 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
13. 13.📋 Your team’s budget is ₹107. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
14. 14.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
15. 15.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1050 g. Does it meet the criterion? (a) Yes (b) No
16. 16.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) be under 30 cm tall (d) carry 10 coins
17. 17.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the team names (d) the limits on money
18. 18.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a criterion (b) a constraint
19. 19.🔍 Which is the odd one out? (a) float for 1 minute (b) keep ice for 1 hour (c) fit on a school desk (d) stand in a fan breeze
20. 20.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹15. Straws cost ₹5 each. What is the greatest number of straws you can buy?
21. 21.📋 Your team’s budget is ₹164. 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.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
23. 23.📋 Your team’s budget is ₹22. You must buy one roll of tape for ₹5. Straws cost ₹1 each. What is the greatest number of straws you can buy?
24. 24.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 650 g. Does it meet the criterion? (a) Yes (b) No
26. 26.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
27. 27.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
28. 28.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) use only paper and tape (c) stand in a fan breeze (d) roll at least 2 metres
29. 29.📋 Your team’s budget is ₹113. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
30. 30.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
31. 31.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
32. 32.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) Yes (b) No
34. 34.📋 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
35. 35.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.True or false: “lift a cup of water” is a criterion (a goal). (a) True (b) False
37. 37.📋 Your team’s budget is ₹24. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
38. 38.🔍 Which is the odd one out? (a) carry 10 coins (b) keep ice for 1 hour (c) lift a cup of water (d) spend at most ₹100
39. 39.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
40. 40.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False

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