Evaluating Solution Effectiveness - 3rd Grade Science
Card 1 of 15
Identify the best claim if Solution A meets the goal but breaks a safety rule.
Identify the best claim if Solution A meets the goal but breaks a safety rule.
Tap to reveal answer
Solution A is not acceptable due to safety constraints. Safety constraints override goal achievement.
Solution A is not acceptable due to safety constraints. Safety constraints override goal achievement.
← Didn't Know|Knew It →
What is a constraint when evaluating or designing a solution?
What is a constraint when evaluating or designing a solution?
Tap to reveal answer
A limit such as time, cost, materials, or safety. Restrictions that the solution must work within.
A limit such as time, cost, materials, or safety. Restrictions that the solution must work within.
← Didn't Know|Knew It →
What is a criterion for success when evaluating a solution?
What is a criterion for success when evaluating a solution?
Tap to reveal answer
A clear goal used to judge whether the solution worked. Sets the standard for what counts as success.
A clear goal used to judge whether the solution worked. Sets the standard for what counts as success.
← Didn't Know|Knew It →
Identify the best conclusion if the solution worked once but failed twice in repeated trials.
Identify the best conclusion if the solution worked once but failed twice in repeated trials.
Tap to reveal answer
The solution is not reliably effective. Inconsistent results mean you can't trust the solution.
The solution is not reliably effective. Inconsistent results mean you can't trust the solution.
← Didn't Know|Knew It →
What is the best next step if evidence does not support your claim about effectiveness?
What is the best next step if evidence does not support your claim about effectiveness?
Tap to reveal answer
Revise the claim to match the evidence. Scientists change conclusions when data disagrees.
Revise the claim to match the evidence. Scientists change conclusions when data disagrees.
← Didn't Know|Knew It →
Which phrase best signals evidence in writing: "I think" or "The data show"?
Which phrase best signals evidence in writing: "I think" or "The data show"?
Tap to reveal answer
"The data show". Shows conclusions come from data, not opinions.
"The data show". Shows conclusions come from data, not opinions.
← Didn't Know|Knew It →
Which is the most effective way to present evidence for a claim: specific results or general statements?
Which is the most effective way to present evidence for a claim: specific results or general statements?
Tap to reveal answer
Specific results. Precise data makes claims stronger and clearer.
Specific results. Precise data makes claims stronger and clearer.
← Didn't Know|Knew It →
What is a claim in science when judging whether a solution worked?
What is a claim in science when judging whether a solution worked?
Tap to reveal answer
A statement that says how well the solution solved the problem. It judges success based on how much the problem improved.
A statement that says how well the solution solved the problem. It judges success based on how much the problem improved.
← Didn't Know|Knew It →
What is evidence when deciding if a solution is effective?
What is evidence when deciding if a solution is effective?
Tap to reveal answer
Observations or measurements that support a claim. Facts and data that prove whether the solution worked.
Observations or measurements that support a claim. Facts and data that prove whether the solution worked.
← Didn't Know|Knew It →
What is reasoning in a claim-evidence-reasoning statement?
What is reasoning in a claim-evidence-reasoning statement?
Tap to reveal answer
The link explaining how the evidence supports the claim. It connects the facts to your conclusion about success.
The link explaining how the evidence supports the claim. It connects the facts to your conclusion about success.
← Didn't Know|Knew It →
Which statement is the best example of evidence: "It worked" or "It reduced leaks from 5 to 1"?
Which statement is the best example of evidence: "It worked" or "It reduced leaks from 5 to 1"?
Tap to reveal answer
"It reduced leaks from 5 to 1". Specific numbers provide measurable proof of improvement.
"It reduced leaks from 5 to 1". Specific numbers provide measurable proof of improvement.
← Didn't Know|Knew It →
Identify the best claim if a solution made the problem smaller but did not fix it completely.
Identify the best claim if a solution made the problem smaller but did not fix it completely.
Tap to reveal answer
The solution was partly effective. Acknowledges improvement while noting the problem remains.
The solution was partly effective. Acknowledges improvement while noting the problem remains.
← Didn't Know|Knew It →
Which type of data is stronger evidence for effectiveness: measured numbers or opinions?
Which type of data is stronger evidence for effectiveness: measured numbers or opinions?
Tap to reveal answer
Measured numbers. Numbers provide objective proof, not personal feelings.
Measured numbers. Numbers provide objective proof, not personal feelings.
← Didn't Know|Knew It →
What is the independent variable in a test of a solution's effectiveness?
What is the independent variable in a test of a solution's effectiveness?
Tap to reveal answer
The part you change on purpose (the solution or method). You control this to test if it causes improvement.
The part you change on purpose (the solution or method). You control this to test if it causes improvement.
← Didn't Know|Knew It →
Which statement best uses evidence: "It is better" or "It used less water and grew taller plants"?
Which statement best uses evidence: "It is better" or "It used less water and grew taller plants"?
Tap to reveal answer
"It used less water and grew taller plants". Specific measurements prove the improvement clearly.
"It used less water and grew taller plants". Specific measurements prove the improvement clearly.
← Didn't Know|Knew It →