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.🔍 Which is the odd one out? (a) float for 1 minute (b) use at most 20 straws (c) hold up 500 g (d) lift a cup of water
- 2.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
- 3.📋 Criteria are … (a) the limits on money (b) goals a design must meet (c) the team names (d) the tools you use
- 4.📋 Your team’s budget is ₹20. You must buy one roll of tape for ₹15. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 5.📋 Your team’s budget is ₹85. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 6.📋 A design meets every criterion but costs more than the budget. Is it acceptable? (a) yes, it works (b) yes, always (c) only if it is red (d) no, it breaks a limit
- 7.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
- 8.📋 A constraint is … (a) a final test (b) a goal for success (c) a kind of glue (d) a limit you must keep to
- 9.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 94 cm tall. Is it within the constraint? (a) No (b) Yes
- 10.🔍 Which is the odd one out? (a) hold up 500 g (b) lift a cup of water (c) float for 1 minute (d) be under 30 cm tall
- 11.📋 Your team’s budget is ₹121. You must buy one roll of tape for ₹20. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 12.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 74 cm tall. Is it within the constraint? (a) Yes (b) No
- 13.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a constraint (b) a criterion
- 14.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
- 15.True or false: “spend at most ₹100” is a criterion (a goal). (a) True (b) False
- 16.📋 Your team’s budget is ₹57. You must buy one roll of tape for ₹10. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 17.📋 For a model bridge challenge, is “use at most 20 straws” a constraint or a criterion? (a) a constraint (b) a criterion
- 18.📋 Your team’s budget is ₹131. You must buy one roll of tape for ₹15. Straws cost ₹4 each. What is the greatest number of straws you can buy?
- 19.True or false: “finish in 40 minutes” is a constraint (a limit). (a) True (b) False
- 20.True or false: “be under 30 cm tall” is a constraint (a limit). (a) True (b) False
- 21.📋 Constraint: the tower must be no taller than 40 cm. The team’s tower is 46 cm tall. Is it within the constraint? (a) Yes (b) No
- 22.📋 For a model bridge challenge, is “roll at least 2 metres” a constraint or a criterion? (a) a constraint (b) a criterion
- 23.🔍 Which is the odd one out? (a) spend at most ₹100 (b) keep ice for 1 hour (c) fit on a school desk (d) use only paper and tape
- 24.🔍 Which is the odd one out? (a) hold up 500 g (b) float for 1 minute (c) fit on a school desk (d) stand in a fan breeze
- 25.True or false: “keep ice for 1 hour” is a criterion (a goal). (a) False (b) True
- 26.True or false: “fit on a school desk” is a criterion (a goal). (a) False (b) True
- 27.🔍 Which is the odd one out? (a) use only paper and tape (b) use at most 20 straws (c) be under 30 cm tall (d) stand in a fan breeze
- 28.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
- 29.📋 For a model bridge challenge, is “fit on a school desk” a constraint or a criterion? (a) a constraint (b) a criterion
- 30.📋 Your team’s budget is ₹27. You must buy one roll of tape for ₹15. Straws cost ₹2 each. What is the greatest number of straws you can buy?
- 31.🔍 Which is the odd one out? (a) keep ice for 1 hour (b) float for 1 minute (c) spend at most ₹100 (d) lift a cup of water
- 32.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) lift a cup of water (d) use at most 20 straws
- 33.True or false: “float for 1 minute” is a constraint (a limit). (a) False (b) True
- 34.📋 Constraint: the tower must be no taller than 70 cm. The team’s tower is 68 cm tall. Is it within the constraint? (a) No (b) Yes
- 35.True or false: “use only paper and tape” is a criterion (a goal). (a) False (b) True
- 36.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 54 cm tall. Is it within the constraint? (a) No (b) Yes
- 37.📋 Your team’s budget is ₹89. You must buy one roll of tape for ₹10. Straws cost ₹5 each. What is the greatest number of straws you can buy?
- 38.📋 Your team’s budget is ₹48. You must buy one roll of tape for ₹20. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 39.True or false: “use at most 20 straws” is a criterion (a goal). (a) True (b) False
- 40.📋 Criterion: the model bridge must hold at least 800 g. In the test it held 700 g. Does it meet the criterion? (a) No (b) Yes
Answer key
- use at most 20 straws
- Yes
- goals a design must meet
- 5
- 15
- no, it breaks a limit
- Yes
- a limit you must keep to
- Yes
- be under 30 cm tall
- 25
- No
- a constraint
- False
- False
- 15
- a constraint
- 29
- True
- True
- No
- a criterion
- keep ice for 1 hour
- fit on a school desk
- True
- False
- stand in a fan breeze
- a constraint
- a constraint
- 6
- spend at most ₹100
- lift a cup of water
- False
- Yes
- False
- Yes
- 15
- 9
- False
- No
Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids