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.True or false: “finish in 40 minutes” is a criterion (a goal). (a) False (b) True
- 2.📋 Constraint: the tower must be no taller than 60 cm. The team’s tower is 66 cm tall. Is it within the constraint? (a) Yes (b) No
- 3.True or false: “carry 10 coins” is a criterion (a goal). (a) True (b) False
- 4.📋 For a model bridge challenge, is “keep ice for 1 hour” a constraint or a criterion? (a) a constraint (b) a criterion
- 5.True or false: “use at most 20 straws” is a criterion (a goal). (a) False (b) True
- 6.🔍 Which is the odd one out? (a) finish in 40 minutes (b) fit on a school desk (c) hold up 500 g (d) spend at most ₹100
- 7.📋 Constraint: the tower must be no taller than 90 cm. The team’s tower is 96 cm tall. Is it within the constraint? (a) No (b) Yes
- 8.📋 For a model bridge challenge, is “lift a cup of water” a constraint or a criterion? (a) a criterion (b) a constraint
- 9.🔍 Which is the odd one out? (a) carry 10 coins (b) lift a cup of water (c) hold up 500 g (d) use at most 20 straws
- 10.📋 For a model bridge challenge, is “float for 1 minute” a constraint or a criterion? (a) a constraint (b) a criterion
- 11.📋 A constraint is … (a) a goal for success (b) a limit you must keep to (c) a kind of glue (d) a final test
- 12.True or false: “stand in a fan breeze” is a constraint (a limit). (a) False (b) True
- 13.🔍 Which is the odd one out? (a) fit on a school desk (b) spend at most ₹100 (c) use only paper and tape (d) stand in a fan breeze
- 14.🔍 Which is the odd one out? (a) spend at most ₹100 (b) use only paper and tape (c) be under 30 cm tall (d) carry 10 coins
- 15.📋 Criterion: the model bridge must hold at least 200 g. In the test it held 250 g. Does it meet the criterion? (a) No (b) Yes
- 16.📋 Constraint: the tower must be no taller than 100 cm. The team’s tower is 98 cm tall. Is it within the constraint? (a) No (b) Yes
- 17.📋 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
- 18.📋 Criteria are … (a) the limits on money (b) the tools you use (c) goals a design must meet (d) the team names
- 19.📋 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
- 20.📋 For a model bridge challenge, is “use only paper and tape” a constraint or a criterion? (a) a criterion (b) a constraint
- 21.📋 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
- 22.True or false: “hold up 500 g” is a constraint (a limit). (a) True (b) False
- 23.🔍 Which is the odd one out? (a) roll at least 2 metres (b) be under 30 cm tall (c) use at most 20 straws (d) fit on a school desk
- 24.True or false: “hold up 500 g” is a criterion (a goal). (a) True (b) False
- 25.📋 Your team’s budget is ₹95. You must buy one roll of tape for ₹15. Straws cost ₹3 each. What is the greatest number of straws you can buy?
- 26.📋 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
- 27.True or false: “float for 1 minute” is a constraint (a limit). (a) True (b) False
- 28.📋 Your team’s budget is ₹31. You must buy one roll of tape for ₹10. Straws cost ₹1 each. What is the greatest number of straws you can buy?
- 29.📋 Criterion: the model bridge must hold at least 700 g. In the test it held 800 g. Does it meet the criterion? (a) Yes (b) No
- 30.True or false: “float for 1 minute” is a criterion (a goal). (a) True (b) False
- 31.📋 For a model bridge challenge, is “spend at most ₹100” a constraint or a criterion? (a) a criterion (b) a constraint
- 32.True or false: “stand in a fan breeze” is a criterion (a goal). (a) False (b) True
- 33.🔍 Which is the odd one out? (a) be under 30 cm tall (b) use only paper and tape (c) fit on a school desk (d) float for 1 minute
- 34.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 400 g. Does it meet the criterion? (a) No (b) Yes
- 35.True or false: “fit on a school desk” is a criterion (a goal). (a) True (b) False
- 36.📋 Criterion: the model bridge must hold at least 300 g. In the test it held 200 g. Does it meet the criterion? (a) No (b) Yes
- 37.🔍 Which is the odd one out? (a) be under 30 cm tall (b) roll at least 2 metres (c) stand in a fan breeze (d) hold up 500 g
- 38.📋 Criterion: the model bridge must hold at least 500 g. In the test it held 550 g. Does it meet the criterion? (a) No (b) Yes
- 39.True or false: “be under 30 cm tall” is a constraint (a limit). (a) False (b) True
- 40.🔍 Which is the odd one out? (a) hold up 500 g (b) spend at most ₹100 (c) lift a cup of water (d) roll at least 2 metres
Answer key
- False
- No
- True
- a criterion
- False
- hold up 500 g
- No
- a criterion
- use at most 20 straws
- a criterion
- a limit you must keep to
- False
- stand in a fan breeze
- carry 10 coins
- Yes
- Yes
- No
- goals a design must meet
- Yes
- a constraint
- Yes
- False
- roll at least 2 metres
- True
- 26
- Yes
- False
- 21
- Yes
- True
- a constraint
- True
- float for 1 minute
- No
- False
- No
- be under 30 cm tall
- Yes
- True
- spend at most ₹100
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