Engineering Worksheet: Constraints and Criteria
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”.
NameDateTime takenScore ___ / 40
- 1.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
- 2.📋 For a model bridge challenge, is “hold up 500 g” a constraint or a criterion? (a) a criterion (b) a constraint
- 3.📋 For a model bridge challenge, is “stand in a fan breeze” a constraint or a criterion? (a) a constraint (b) a criterion
- 4.📋 Your team’s budget is ₹100. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 5.🔍 Which is the odd one out? (a) use at most 20 straws (b) carry 10 coins (c) keep ice for 1 hour (d) lift a cup of water
- 6.📋 For a model bridge challenge, is “carry 10 coins” a constraint or a criterion? (a) a constraint (b) a criterion
- 7.True or false: “use at most 20 straws” is a constraint (a limit). (a) False (b) True
- 8.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) be under 30 cm tall (d) lift a cup of water
- 9.📋 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
- 10.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
- 11.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) carry 10 coins (d) fit on a school desk
- 12.🔍 Which is the odd one out? (a) finish in 40 minutes (b) use at most 20 straws (c) fit on a school desk (d) stand in a fan breeze
- 13.🔍 Which is the odd one out? (a) use at most 20 straws (b) use only paper and tape (c) finish in 40 minutes (d) float for 1 minute
- 14.📋 A constraint is … (a) a limit you must keep to (b) a goal for success (c) a kind of glue (d) a final test
- 15.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) be under 30 cm tall (d) lift a cup of water
- 16.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
- 17.📋 Constraint: the tower must be no taller than 30 cm. The team’s tower is 36 cm tall. Is it within the constraint? (a) Yes (b) No
- 18.📋 Criteria are … (a) the team names (b) the limits on money (c) goals a design must meet (d) the tools you use
- 19.🔍 Which is the odd one out? (a) fit on a school desk (b) carry 10 coins (c) float for 1 minute (d) hold up 500 g
- 20.📋 For a model bridge challenge, is “finish in 40 minutes” a constraint or a criterion? (a) a criterion (b) a constraint
- 21.🔍 Which is the odd one out? (a) finish in 40 minutes (b) spend at most ₹100 (c) be under 30 cm tall (d) roll at least 2 metres
- 22.📋 Criterion: the model bridge must hold at least 1000 g. In the test it held 1000 g. Does it meet the criterion? (a) No (b) Yes
- 23.🔍 Which is the odd one out? (a) finish in 40 minutes (b) float for 1 minute (c) carry 10 coins (d) lift a cup of water
- 24.📋 Your team’s budget is ₹35. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 25.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
- 26.📋 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
- 27.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
- 28.📋 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
- 29.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) True (b) False
- 30.True or false: “fit on a school desk” is a constraint (a limit). (a) True (b) False
- 31.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
- 32.📋 Your team’s budget is ₹42. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 33.📋 Your team’s budget is ₹59. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 34.True or false: “roll at least 2 metres” is a criterion (a goal). (a) False (b) True
- 35.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, always (b) no, it breaks a limit (c) yes, it works (d) only if it is red
- 36.📋 Your team’s budget is ₹67. You must buy one roll of tape for ₹10. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 37.📋 Your team’s budget is ₹53. You must buy one roll of tape for ₹20. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 38.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) Yes (b) No
- 39.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a criterion (b) a constraint
- 40.True or false: “use only paper and tape” is a criterion (a goal). (a) True (b) False
Answer key
- a constraint
- a criterion
- a criterion
- 28
- use at most 20 straws
- a criterion
- True
- be under 30 cm tall
- Yes
- True
- carry 10 coins
- stand in a fan breeze
- float for 1 minute
- a limit you must keep to
- lift a cup of water
- a criterion
- No
- goals a design must meet
- fit on a school desk
- a constraint
- roll at least 2 metres
- Yes
- finish in 40 minutes
- 5
- False
- No
- a constraint
- No
- True
- True
- True
- 16
- 9
- True
- no, it breaks a limit
- 28
- 16
- Yes
- a criterion
- False
Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids