Selecting Best Solution - 3rd Grade Science
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What does it mean if a solution is effective?
What does it mean if a solution is effective?
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It solves the problem and meets the goal. Effective solutions successfully achieve the intended goal.
It solves the problem and meets the goal. Effective solutions successfully achieve the intended goal.
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What does it mean to select the most promising solution to a problem?
What does it mean to select the most promising solution to a problem?
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Choose the option most likely to solve the problem safely and well. Promising solutions balance effectiveness, safety, and practicality.
Choose the option most likely to solve the problem safely and well. Promising solutions balance effectiveness, safety, and practicality.
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Which solution is most promising for a paper bridge: holds $10$ coins or holds $3$ coins?
Which solution is most promising for a paper bridge: holds $10$ coins or holds $3$ coins?
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The bridge that holds $10$ coins. Stronger bridges meet the goal better by supporting more weight.
The bridge that holds $10$ coins. Stronger bridges meet the goal better by supporting more weight.
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Which option is most promising: a fan that cools a room in $5$ min or in $20$ min, both safe?
Which option is most promising: a fan that cools a room in $5$ min or in $20$ min, both safe?
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The fan that cools the room in $5$ minutes. Faster cooling achieves the goal more efficiently.
The fan that cools the room in $5$ minutes. Faster cooling achieves the goal more efficiently.
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Identify the most promising solution: reduces trash by $50%$ or by $10%$, both easy to do.
Identify the most promising solution: reduces trash by $50%$ or by $10%$, both easy to do.
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The solution that reduces trash by $50%$. Greater reduction means more effective problem-solving.
The solution that reduces trash by $50%$. Greater reduction means more effective problem-solving.
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Which solution is most promising if it meets the goal but breaks after one use?
Which solution is most promising if it meets the goal but breaks after one use?
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Not promising; choose a more durable solution. Solutions must be durable to provide lasting benefits.
Not promising; choose a more durable solution. Solutions must be durable to provide lasting benefits.
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Which option is most promising for saving water: fixes a leak today or reminds people next week?
Which option is most promising for saving water: fixes a leak today or reminds people next week?
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Fixing the leak today. Immediate action prevents ongoing water waste.
Fixing the leak today. Immediate action prevents ongoing water waste.
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Choose the most promising solution: uses $2$ batteries for $8$ hours or $4$ batteries for $8$ hours.
Choose the most promising solution: uses $2$ batteries for $8$ hours or $4$ batteries for $8$ hours.
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The option using $2$ batteries for $8$ hours. Using fewer resources for the same result is more efficient.
The option using $2$ batteries for $8$ hours. Using fewer resources for the same result is more efficient.
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Which solution is most promising: filters dirty water but is hard to use, or filters less but is easy?
Which solution is most promising: filters dirty water but is hard to use, or filters less but is easy?
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The solution that filters dirty water better. Effectiveness outweighs convenience for critical tasks like water safety.
The solution that filters dirty water better. Effectiveness outweighs convenience for critical tasks like water safety.
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Identify the most promising choice when evidence shows one idea works and another is only a guess.
Identify the most promising choice when evidence shows one idea works and another is only a guess.
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Choose the idea supported by evidence. Evidence-based solutions are more reliable than untested ideas.
Choose the idea supported by evidence. Evidence-based solutions are more reliable than untested ideas.
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What should you compare when choosing between two solutions?
What should you compare when choosing between two solutions?
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Safety, effectiveness, cost, time, and materials. Consider all factors to make a well-rounded decision.
Safety, effectiveness, cost, time, and materials. Consider all factors to make a well-rounded decision.
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Which option is most promising if it solves the problem but violates a rule or instruction?
Which option is most promising if it solves the problem but violates a rule or instruction?
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Not promising; choose an option that follows rules and instructions. Solutions must follow rules to be acceptable and sustainable.
Not promising; choose an option that follows rules and instructions. Solutions must follow rules to be acceptable and sustainable.
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Which option is most promising when two solutions work equally well but one costs less?
Which option is most promising when two solutions work equally well but one costs less?
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The lower-cost solution. When equally effective, choose the more economical option.
The lower-cost solution. When equally effective, choose the more economical option.
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What does it mean if a solution is efficient?
What does it mean if a solution is efficient?
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It uses the least time, energy, or materials to work. Efficient solutions minimize resource use while achieving goals.
It uses the least time, energy, or materials to work. Efficient solutions minimize resource use while achieving goals.
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What does it mean if a solution is reliable?
What does it mean if a solution is reliable?
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It works the same way repeatedly. Reliable solutions produce consistent results every time.
It works the same way repeatedly. Reliable solutions produce consistent results every time.
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