Collecting Design Test Results - 2nd Grade Science
Card 1 of 15
Choose the best conclusion word: If Design A works better in most trials, which design performed better?
Choose the best conclusion word: If Design A works better in most trials, which design performed better?
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Design A. The design that succeeds more often is the better choice.
Design A. The design that succeeds more often is the better choice.
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Which option is the best way to compare two designs using your collected results: one trial or many trials?
Which option is the best way to compare two designs using your collected results: one trial or many trials?
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Many trials. Multiple trials provide more evidence for accurate comparison.
Many trials. Multiple trials provide more evidence for accurate comparison.
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What should you do first before testing two designs so the results can be compared fairly?
What should you do first before testing two designs so the results can be compared fairly?
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Choose one test method and use it for both designs. Same test conditions ensure fair comparison between designs.
Choose one test method and use it for both designs. Same test conditions ensure fair comparison between designs.
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Which action best helps you avoid mistakes when writing down results from two designs?
Which action best helps you avoid mistakes when writing down results from two designs?
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Record results immediately after each test. Immediate recording prevents forgetting or mixing up data.
Record results immediately after each test. Immediate recording prevents forgetting or mixing up data.
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Which graph type is best to compare how many successes Design A and Design B had?
Which graph type is best to compare how many successes Design A and Design B had?
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A bar graph. Bar heights visually compare success counts between designs.
A bar graph. Bar heights visually compare success counts between designs.
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Which table layout best supports collecting results from repeated tests of two designs?
Which table layout best supports collecting results from repeated tests of two designs?
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Rows for trials and columns for Design A and Design B results. This format tracks each test's results for both designs clearly.
Rows for trials and columns for Design A and Design B results. This format tracks each test's results for both designs clearly.
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Identify the difference in successes if Design A has $6$ successes and Design B has $4$ successes.
Identify the difference in successes if Design A has $6$ successes and Design B has $4$ successes.
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$2$ more successes for Design A. Subtract B's successes from A's: $6 - 4 = 2$.
$2$ more successes for Design A. Subtract B's successes from A's: $6 - 4 = 2$.
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Which design performs better if Design A succeeds $3$ times and Design B succeeds $5$ times?
Which design performs better if Design A succeeds $3$ times and Design B succeeds $5$ times?
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Design B. Design B succeeds more often than Design A.
Design B. Design B succeeds more often than Design A.
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What is the meaning of “repeat the test” when collecting results for two designs?
What is the meaning of “repeat the test” when collecting results for two designs?
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Test each design more than one time. Multiple trials provide more reliable data than single tests.
Test each design more than one time. Multiple trials provide more reliable data than single tests.
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Which choice best describes “consistent data” in design testing?
Which choice best describes “consistent data” in design testing?
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Results that are similar each time the test is repeated. Consistent results show the design performs predictably.
Results that are similar each time the test is repeated. Consistent results show the design performs predictably.
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What is one correct way to compare two designs using numbers from a test?
What is one correct way to compare two designs using numbers from a test?
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Compare which design has the higher success count. Higher success count indicates better performance.
Compare which design has the higher success count. Higher success count indicates better performance.
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Which design performs better if Design A succeeds $4$ times and Design B succeeds $2$ times?
Which design performs better if Design A succeeds $4$ times and Design B succeeds $2$ times?
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Design A. Design A has twice as many successes as Design B.
Design A. Design A has twice as many successes as Design B.
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What is the main goal when you collect results from tests of two designs for the same problem?
What is the main goal when you collect results from tests of two designs for the same problem?
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To compare which design works better using test data. Testing reveals which solution performs better for the problem.
To compare which design works better using test data. Testing reveals which solution performs better for the problem.
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Identify the total number of tests if each design is tested $5$ times.
Identify the total number of tests if each design is tested $5$ times.
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$10$ total tests. Each design tested $5$ times means $5 + 5 = 10$ total.
$10$ total tests. Each design tested $5$ times means $5 + 5 = 10$ total.
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Which design is more reliable if A succeeds $4$ out of $5$ tests and B succeeds $4$ out of $5$ tests?
Which design is more reliable if A succeeds $4$ out of $5$ tests and B succeeds $4$ out of $5$ tests?
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Neither; they are equally reliable in this test set. Same success rate means equal reliability.
Neither; they are equally reliable in this test set. Same success rate means equal reliability.
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