Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 9 · 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: “be under 30 cm tall” is a criterion (a goal). (a) False (b) True
2. 2.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
3. 3.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
4. 4.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) Yes (b) No
5. 5.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 80 cm tall. Is it within the constraint? (a) No (b) Yes
6. 6.🔍 Which is the odd one out? (a) finish in 40 minutes (b) carry 10 coins (c) spend at most ₹100 (d) use only paper and tape
7. 7.📋 A constraint is … (a) a goal for success (b) a kind of glue (c) a limit you must keep to (d) a final test
8. 8.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
9. 9.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
10. 10.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) no, it breaks a limit (b) yes, it works (c) only if it is red (d) yes, always
11. 11.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
12. 12.📋 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
13. 13.🔍 Which is the odd one out? (a) fit on a school desk (b) keep ice for 1 hour (c) finish in 40 minutes (d) be under 30 cm tall
14. 14.📋 Criteria are … (a) the team names (b) goals a design must meet (c) the limits on money (d) the tools you use
15. 15.🔍 Which is the odd one out? (a) stand in a fan breeze (b) hold up 500 g (c) float for 1 minute (d) fit on a school desk
16. 16.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 82 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 850 g. Does it meet the criterion? (a) No (b) Yes
18. 18.🔍 Which is the odd one out? (a) hold up 500 g (b) keep ice for 1 hour (c) roll at least 2 metres (d) be under 30 cm tall
19. 19.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 450 g. Does it meet the criterion? (a) No (b) Yes
20. 20.True or false: “carry 10 coins” is a constraint (a limit). (a) False (b) True
21. 21.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
22. 22.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
23. 23.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 650 g. Does it meet the criterion? (a) No (b) Yes
24. 24.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a constraint (b) a criterion
25. 25.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 42 cm tall. Is it within the constraint? (a) Yes (b) No
26. 26.🔍 Which is the odd one out? (a) use only paper and tape (b) stand in a fan breeze (c) carry 10 coins (d) float for 1 minute
27. 27.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 550 g. Does it meet the criterion? (a) Yes (b) No
28. 28.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
29. 29.True or false: “carry 10 coins” is a criterion (a goal). (a) False (b) True
30. 30.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
31. 31.📋 Your team’s budget is ₹33. You must buy one roll of tape for ₹20. Straws cost ₹1 each. What is the greatest number of straws you can buy?
32. 32.🔍 Which is the odd one out? (a) use only paper and tape (b) spend at most ₹100 (c) stand in a fan breeze (d) use at most 20 straws
33. 33.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
34. 34.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
35. 35.🔍 Which is the odd one out? (a) spend at most ₹100 (b) lift a cup of water (c) float for 1 minute (d) carry 10 coins
36. 36.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
37. 37.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
38. 38.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
39. 39.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1100 g. Does it meet the criterion? (a) No (b) Yes
40. 40.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint

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