Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 939 · 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 800 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
2. 2.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 900 g. Does it meet the criterion? (a) No (b) Yes
3. 3.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
4. 4.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
5. 5.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
6. 6.📋 Criterion: the model bridge must hold at least 900 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
7. 7.True or false: “lift a cup of water” is a criterion (a goal). (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) float for 1 minute (d) be under 30 cm tall
9. 9.📋 A constraint is … (a) a kind of glue (b) a goal for success (c) a final test (d) a limit you must keep to
10. 10.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
11. 11.📋 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?
12. 12.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use at most 20 straws (c) finish in 40 minutes (d) hold up 500 g
13. 13.True or false: “stand in a fan breeze” is a constraint (a limit). (a) True (b) False
14. 14.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a criterion (b) a constraint
15. 15.True or false: “hold up 500 g” is a criterion (a goal). (a) False (b) True
16. 16.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
17. 17.📋 Your team’s budget is ₹135. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
18. 18.📋 Your team’s budget is ₹29. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
19. 19.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 106 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 44 cm tall. Is it within the constraint? (a) Yes (b) No
21. 21.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) lift a cup of water (b) stand in a fan breeze (c) be under 30 cm tall (d) roll at least 2 metres
23. 23.📋 Your team’s budget is ₹51. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
24. 24.📋 Criteria are … (a) the tools you use (b) goals a design must meet (c) the limits on money (d) the team names
25. 25.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) float for 1 minute (b) keep ice for 1 hour (c) carry 10 coins (d) finish in 40 minutes
27. 27.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
28. 28.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.🔍 Which is the odd one out? (a) use at most 20 straws (b) finish in 40 minutes (c) be under 30 cm tall (d) carry 10 coins
30. 30.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
31. 31.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
32. 32.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
33. 33.📋 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
34. 34.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) Yes (b) No
35. 35.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
36. 36.True or false: “float for 1 minute” is a criterion (a goal). (a) False (b) True
37. 37.📋 Your team’s budget is ₹112. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
38. 38.🔍 Which is the odd one out? (a) roll at least 2 metres (b) lift a cup of water (c) stand in a fan breeze (d) fit on a school desk
39. 39.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 84 cm tall. Is it within the constraint? (a) Yes (b) No

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