Magnetic Solution Criteria - 3rd Grade Science
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What is one criterion that tests magnet strength for a magnetic solution?
What is one criterion that tests magnet strength for a magnetic solution?
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It must pick up the required number of paper clips. This criterion measures if the magnet is strong enough.
It must pick up the required number of paper clips. This criterion measures if the magnet is strong enough.
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Which term means “a limit such as time, materials, or safety” in a magnetic design?
Which term means “a limit such as time, materials, or safety” in a magnetic design?
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Constraint. Constraints are restrictions like available resources or rules.
Constraint. Constraints are restrictions like available resources or rules.
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What is the first step in defining criteria and constraints for a magnetic solution?
What is the first step in defining criteria and constraints for a magnetic solution?
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State the problem and what the solution must do. Understanding the problem helps identify needed criteria and constraints.
State the problem and what the solution must do. Understanding the problem helps identify needed criteria and constraints.
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Which option is the best constraint for a magnetic tool: A) Must lift $8$ clips B) Must use only tape and a magnet?
Which option is the best constraint for a magnetic tool: A) Must lift $8$ clips B) Must use only tape and a magnet?
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B) Must use only tape and a magnet. Material limits are constraints; lifting ability is a criterion.
B) Must use only tape and a magnet. Material limits are constraints; lifting ability is a criterion.
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Which option is the best criterion for a magnetic tool to pick up screws: A) Use cardboard B) Lift $5$ screws?
Which option is the best criterion for a magnetic tool to pick up screws: A) Use cardboard B) Lift $5$ screws?
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B) Lift $5$ screws. Lifting screws measures success; cardboard is a material constraint.
B) Lift $5$ screws. Lifting screws measures success; cardboard is a material constraint.
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Identify whether this statement is a criterion or constraint: “It must be finished in $15$ minutes.”
Identify whether this statement is a criterion or constraint: “It must be finished in $15$ minutes.”
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Constraint. This limits time allowed, making it a constraint.
Constraint. This limits time allowed, making it a constraint.
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Identify whether this statement is a criterion or constraint: “It must sort metal from plastic.”
Identify whether this statement is a criterion or constraint: “It must sort metal from plastic.”
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Criterion. This measures success (sorting ability), not a limit.
Criterion. This measures success (sorting ability), not a limit.
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Identify whether this statement is a criterion or constraint: “Use only $2$ magnets.”
Identify whether this statement is a criterion or constraint: “Use only $2$ magnets.”
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Constraint. This limits resources (number of magnets allowed).
Constraint. This limits resources (number of magnets allowed).
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Identify whether this statement is a criterion or constraint: “It must lift $10$ paper clips.”
Identify whether this statement is a criterion or constraint: “It must lift $10$ paper clips.”
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Criterion. This measures success (lifting ability), not a limit.
Criterion. This measures success (lifting ability), not a limit.
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What is a constraint when designing a magnetic solution to solve a problem?
What is a constraint when designing a magnetic solution to solve a problem?
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A limit or rule the solution must follow. Constraints are boundaries that restrict your design choices.
A limit or rule the solution must follow. Constraints are boundaries that restrict your design choices.
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Which term means “how you will measure success” in a magnetic design: criterion or constraint?
Which term means “how you will measure success” in a magnetic design: criterion or constraint?
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Criterion. Criteria evaluate if your solution achieves its purpose.
Criterion. Criteria evaluate if your solution achieves its purpose.
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What is one constraint related to materials in a magnetic solution?
What is one constraint related to materials in a magnetic solution?
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You may use only the allowed materials provided. This constraint limits which supplies you can use.
You may use only the allowed materials provided. This constraint limits which supplies you can use.
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What is one safety constraint that can apply to a magnetic solution?
What is one safety constraint that can apply to a magnetic solution?
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It must not include hazards such as sharp parts. Safety constraints prevent harm to users.
It must not include hazards such as sharp parts. Safety constraints prevent harm to users.
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What is one constraint related to size in a magnetic solution?
What is one constraint related to size in a magnetic solution?
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The solution must fit within a specified space. This constraint limits the physical dimensions allowed.
The solution must fit within a specified space. This constraint limits the physical dimensions allowed.
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What is one constraint related to time in a magnetic solution?
What is one constraint related to time in a magnetic solution?
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The solution must be built and tested within the time limit. This constraint sets deadlines for completion.
The solution must be built and tested within the time limit. This constraint sets deadlines for completion.
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