Evaluating Solutions - 3rd Grade Science
Card 1 of 15
Which conclusion matches the evidence: $8$ of $10$ trials worked successfully?
Which conclusion matches the evidence: $8$ of $10$ trials worked successfully?
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The solution usually works but is not perfect. $80%$ success rate shows mostly effective with some failures.
The solution usually works but is not perfect. $80%$ success rate shows mostly effective with some failures.
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Identify the unsupported claim: “Works every time” with results $6$ of $10$ trials successful.
Identify the unsupported claim: “Works every time” with results $6$ of $10$ trials successful.
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“Works every time”. $60%$ success contradicts "every time" claim.
“Works every time”. $60%$ success contradicts "every time" claim.
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Which test is more fair for a new plant food: change light and water, or change only plant food?
Which test is more fair for a new plant food: change light and water, or change only plant food?
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Change only the plant food. Testing one variable at a time isolates its effect.
Change only the plant food. Testing one variable at a time isolates its effect.
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Identify the independent variable: testing different ramp heights to see how far a toy car rolls.
Identify the independent variable: testing different ramp heights to see how far a toy car rolls.
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Ramp height. Height is what you control to test its effect on distance.
Ramp height. Height is what you control to test its effect on distance.
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Identify the dependent variable: testing different ramp heights to see how far a toy car rolls.
Identify the dependent variable: testing different ramp heights to see how far a toy car rolls.
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Distance the toy car rolls. Distance changes based on the ramp height you set.
Distance the toy car rolls. Distance changes based on the ramp height you set.
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Which evidence best supports “filter A cleans water better”: clearer look or $90%$ less dirt after filtering?
Which evidence best supports “filter A cleans water better”: clearer look or $90%$ less dirt after filtering?
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$90%$ less dirt after filtering. Numerical data provides stronger proof than appearance.
$90%$ less dirt after filtering. Numerical data provides stronger proof than appearance.
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Choose the best reason to reject a solution: data show no change, or a friend says it will work.
Choose the best reason to reject a solution: data show no change, or a friend says it will work.
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Data show no change. Evidence showing no improvement justifies rejection.
Data show no change. Evidence showing no improvement justifies rejection.
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What is evidence in science when you are evaluating a solution to a problem?
What is evidence in science when you are evaluating a solution to a problem?
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Observations or data that support or do not support a claim. Facts that help you judge if something is true or false.
Observations or data that support or do not support a claim. Facts that help you judge if something is true or false.
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What is a claim when you evaluate whether a solution works?
What is a claim when you evaluate whether a solution works?
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A statement about what you think will happen or what works. Your prediction or hypothesis about the solution's effectiveness.
A statement about what you think will happen or what works. Your prediction or hypothesis about the solution's effectiveness.
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What does it mean to evaluate a solution using evidence?
What does it mean to evaluate a solution using evidence?
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Use data and observations to decide how well the solution works. Compare results to expectations to judge success.
Use data and observations to decide how well the solution works. Compare results to expectations to judge success.
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Which kind of evidence is stronger: measured data or personal opinion?
Which kind of evidence is stronger: measured data or personal opinion?
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Measured data. Numbers and measurements are objective, not based on feelings.
Measured data. Numbers and measurements are objective, not based on feelings.
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Which option best describes a conclusion based on evidence?
Which option best describes a conclusion based on evidence?
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A decision supported by observations and data. Uses facts to make a logical judgment.
A decision supported by observations and data. Uses facts to make a logical judgment.
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Which solution is better if the goal is less water used: A uses $5$ L, B uses $3$ L?
Which solution is better if the goal is less water used: A uses $5$ L, B uses $3$ L?
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Solution B. $3$ L is less than $5$ L, meeting the water-saving goal.
Solution B. $3$ L is less than $5$ L, meeting the water-saving goal.
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Which solution is better if the goal is stronger bridge: A holds $8$ books, B holds $11$ books?
Which solution is better if the goal is stronger bridge: A holds $8$ books, B holds $11$ books?
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Solution B. $11$ books is more than $8$ books, showing greater strength.
Solution B. $11$ books is more than $8$ books, showing greater strength.
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Identify the best conclusion: Plant X grew $2$ cm, Plant Y grew $6$ cm; fertilizer was on Y only.
Identify the best conclusion: Plant X grew $2$ cm, Plant Y grew $6$ cm; fertilizer was on Y only.
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Fertilizer helped the plant grow more. Y grew $4$ cm more than X, showing fertilizer's effect.
Fertilizer helped the plant grow more. Y grew $4$ cm more than X, showing fertilizer's effect.
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