Engineering Worksheet: Constraints and Criteria

Engineering lesson 4: Constraints and criteria · Set 409 · 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.🔍 Which is the odd one out? (a) be under 30 cm tall (b) float for 1 minute (c) carry 10 coins (d) lift a cup of water
3. 3.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
4. 4.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 350 g. Does it meet the criterion? (a) No (b) Yes
5. 5.📋 A constraint is … (a) a limit you must keep to (b) a final test (c) a kind of glue (d) a goal for success
6. 6.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
7. 7.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
8. 8.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
9. 9.📋 Your team’s budget is ₹106. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
10. 10.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) Yes (b) No
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.📋 Criterion: the model bridge must hold at least 400 g. In the test it held 500 g. Does it meet the criterion? (a) Yes (b) No
13. 13.True or false: “keep ice for 1 hour” is a constraint (a limit). (a) True (b) False
14. 14.📋 Your team’s budget is ₹124. You must buy one roll of tape for ₹10. Straws cost ₹4 each. What is the greatest number of straws you can buy?
15. 15.📋 Your team’s budget is ₹23. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
16. 16.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 34 cm tall. Is it within the constraint? (a) No (b) Yes
17. 17.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) lift a cup of water (b) roll at least 2 metres (c) carry 10 coins (d) use only paper and tape
19. 19.📋 Constraint: the tower must be no taller than 50 cm. The team’s tower is 52 cm tall. Is it within the constraint? (a) No (b) Yes
20. 20.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
21. 21.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
22. 22.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 64 cm tall. Is it within the constraint? (a) Yes (b) No
23. 23.📋 Criteria are … (a) the team names (b) the tools you use (c) goals a design must meet (d) the limits on money
24. 24.📋 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
25. 25.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
26. 26.📋 Constraint: the tower must be no taller than 80 cm. The team’s tower is 86 cm tall. Is it within the constraint? (a) Yes (b) No
27. 27.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a criterion (b) a constraint
28. 28.📋 For a model bridge challenge, is “be under 30 cm tall” a constraint or a criterion? (a) a criterion (b) a constraint
29. 29.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
30. 30.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
31. 31.📋 Your team’s budget is ₹38. You must buy one roll of tape for ₹5. Straws cost ₹3 each. What is the greatest number of straws you can buy?
32. 32.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a constraint (b) a criterion
33. 33.📋 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
34. 34.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 300 g. Does it meet the criterion? (a) Yes (b) No
35. 35.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
36. 36.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
37. 37.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
38. 38.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 150 g. Does it meet the criterion? (a) No (b) Yes
39. 39.📋 Criterion: the model bridge must hold at least 600 g. In the test it held 750 g. Does it meet the criterion? (a) No (b) Yes
40. 40.🔍 Which is the odd one out? (a) carry 10 coins (b) fit on a school desk (c) hold up 500 g (d) stand in a fan breeze

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