Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 199 · 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.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
2. 2.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) stand in a fan breeze (b) float for 1 minute (c) fit on a school desk (d) lift a cup of water
4. 4.True or false: “spend at most ₹100” is a constraint (a limit). (a) True (b) False
5. 5.📋 Criteria are … (a) the tools you use (b) the limits on money (c) goals a design must meet (d) the team names
6. 6.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) no, it breaks a limit (c) yes, always (d) only if it is red
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.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) use at most 20 straws (d) use only paper and tape
9. 9.🔍 Which is the odd one out? (a) roll at least 2 metres (b) use only paper and tape (c) keep ice for 1 hour (d) carry 10 coins
10. 10.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
13. 13.📋 Your team’s budget is ₹64. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
14. 14.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
15. 15.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
16. 16.📋 Your team’s budget is ₹26. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
17. 17.📋 Your team’s budget is ₹40. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
18. 18.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
19. 19.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
21. 21.📋 Your team’s budget is ₹114. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
22. 22.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 48 cm tall. Is it within the constraint? (a) No (b) Yes
23. 23.📋 Your team’s budget is ₹49. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
24. 24.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
25. 25.True or false: “finish in 40 minutes” is a constraint (a limit). (a) False (b) True
26. 26.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
27. 27.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
28. 28.📋 Your team’s budget is ₹80. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
29. 29.📋 Your team’s budget is ₹146. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
30. 30.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) float for 1 minute (d) finish in 40 minutes
31. 31.📋 Your team’s budget is ₹141. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
32. 32.🔍 Which is the odd one out? (a) finish in 40 minutes (b) float for 1 minute (c) carry 10 coins (d) roll at least 2 metres
33. 33.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
34. 34.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
35. 35.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
36. 36.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
37. 37.📋 Your team’s budget is ₹31. 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.📋 Your team’s budget is ₹114. You must buy one roll of tape for ₹5. Straws cost ₹4 each. What is the greatest number of straws you can buy?
39. 39.📋 Your team’s budget is ₹30. You must buy one roll of tape for ₹5. Straws cost ₹2 each. What is the greatest number of straws you can buy?
40. 40.📋 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

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