Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 669 · 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: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
2. 2.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
3. 3.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
4. 4.True or false: “spend at most ₹100” is a criterion (a goal). (a) False (b) True
5. 5.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
6. 6.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
7. 7.🔍 Which is the odd one out? (a) lift a cup of water (b) roll at least 2 metres (c) fit on a school desk (d) stand in a fan breeze
8. 8.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
9. 9.📋 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?
10. 10.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
11. 11.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) float for 1 minute (d) stand in a fan breeze
12. 12.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
13. 13.🔍 Which is the odd one out? (a) finish in 40 minutes (b) hold up 500 g (c) roll at least 2 metres (d) keep ice for 1 hour
14. 14.📋 Your team’s budget is ₹62. You must buy one roll of tape for ₹20. Straws cost ₹5 each. What is the greatest number of straws you can buy?
15. 15.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
17. 17.True or false: “be under 30 cm tall” is a criterion (a goal). (a) True (b) False
18. 18.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a constraint (b) a criterion
19. 19.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) carry 10 coins (d) use only paper and tape
20. 20.True or false: “lift a cup of water” is a constraint (a limit). (a) True (b) False
21. 21.📋 Criteria are … (a) the limits on money (b) the team names (c) the tools you use (d) goals a design must meet
22. 22.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 300 g. Does it meet the criterion? (a) No (b) Yes
23. 23.True or false: “finish in 40 minutes” is a criterion (a goal). (a) True (b) False
24. 24.📋 Your team’s budget is ₹109. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
25. 25.📋 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
26. 26.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) spend at most ₹100 (b) be under 30 cm tall (c) roll at least 2 metres (d) use only paper and tape
28. 28.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
29. 29.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) Yes (b) No
30. 30.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
31. 31.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) float for 1 minute (d) finish in 40 minutes
32. 32.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 72 cm tall. Is it within the constraint? (a) Yes (b) No
33. 33.True or false: “roll at least 2 metres” is a criterion (a goal). (a) True (b) False
34. 34.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) No (b) Yes
35. 35.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
36. 36.📋 Your team’s budget is ₹19. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
37. 37.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a criterion (b) a constraint
38. 38.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) yes, it works (c) no, it breaks a limit (d) only if it is red
39. 39.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 24 cm tall. Is it within the constraint? (a) No (b) Yes
40. 40.📋 Your team’s budget is ₹85. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?

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