Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 597 · 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) roll at least 2 metres (b) use only paper and tape (c) spend at most ₹100 (d) use at most 20 straws
2. 2.📋 Your team’s budget is ₹130. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
3. 3.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) Yes (b) No
4. 4.📋 Your team’s budget is ₹91. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
5. 5.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
6. 6.📋 A constraint is … (a) a final test (b) a kind of glue (c) a limit you must keep to (d) a goal for success
7. 7.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) Yes (b) No
8. 8.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
9. 9.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) no, it breaks a limit (d) only if it is red
11. 11.📋 Your team’s budget is ₹108. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
12. 12.True or false: “stand in a fan breeze” is a criterion (a goal). (a) True (b) False
13. 13.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 50 cm tall. Is it within the constraint? (a) No (b) Yes
14. 14.True or false: “spend at most ₹100” is a constraint (a limit). (a) False (b) True
15. 15.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
16. 16.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
17. 17.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
18. 18.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) Yes (b) No
19. 19.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 76 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 88 cm tall. Is it within the constraint? (a) No (b) Yes
22. 22.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 56 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.True or false: “roll at least 2 metres” is a constraint (a limit). (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) carry 10 coins (b) roll at least 2 metres (c) fit on a school desk (d) keep ice for 1 hour
25. 25.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹5. Straws cost ₹5 each. What is the greatest number of straws you can buy?
26. 26.🔍 Which is the odd one out? (a) use at most 20 straws (b) spend at most ₹100 (c) be under 30 cm tall (d) lift a cup of water
27. 27.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) No (b) Yes
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.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 78 cm tall. Is it within the constraint? (a) No (b) Yes
30. 30.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) Yes (b) No
31. 31.📋 Your team’s budget is ₹83. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
32. 32.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
33. 33.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
34. 34.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 600 g. Does it meet the criterion? (a) Yes (b) No
35. 35.🔍 Which is the odd one out? (a) fit on a school desk (b) be under 30 cm tall (c) use only paper and tape (d) hold up 500 g
36. 36.📋 Your team’s budget is ₹88. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
37. 37.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 250 g. Does it meet the criterion? (a) Yes (b) No
38. 38.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the tools you use (d) the limits on money
39. 39.📋 Your team’s budget is ₹142. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
40. 40.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 350 g. Does it meet the criterion? (a) Yes (b) No

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