Comparing Design Strengths - 2nd Grade Science
Card 1 of 15
Identify the best design for “tallest”: Design A is $24$ cm; Design B is $21$ cm?
Identify the best design for “tallest”: Design A is $24$ cm; Design B is $21$ cm?
Tap to reveal answer
Design A. Greater height meets the tallest criterion.
Design A. Greater height meets the tallest criterion.
← Didn't Know|Knew It →
What is test data in a design test (the recorded results you measure and write down)?
What is test data in a design test (the recorded results you measure and write down)?
Tap to reveal answer
Recorded measurements and observations from testing a design. Numbers and facts you write down during experiments.
Recorded measurements and observations from testing a design. Numbers and facts you write down during experiments.
← Didn't Know|Knew It →
What is a strength of a design when you compare test data to the goal or criteria?
What is a strength of a design when you compare test data to the goal or criteria?
Tap to reveal answer
A result that meets the goal or criteria well. Shows the design performs well in that area.
A result that meets the goal or criteria well. Shows the design performs well in that area.
← Didn't Know|Knew It →
What is a weakness of a design when you compare test data to the goal or criteria?
What is a weakness of a design when you compare test data to the goal or criteria?
Tap to reveal answer
A result that does not meet the goal or criteria well. Shows where the design needs improvement.
A result that does not meet the goal or criteria well. Shows where the design needs improvement.
← Didn't Know|Knew It →
Which option is the fairest way to compare two designs: same test conditions or different conditions?
Which option is the fairest way to compare two designs: same test conditions or different conditions?
Tap to reveal answer
Same test conditions. Fair tests require identical conditions for both designs.
Same test conditions. Fair tests require identical conditions for both designs.
← Didn't Know|Knew It →
Identify the best conclusion: Design A holds $10$ books; Design B holds $7$ books. Which is stronger?
Identify the best conclusion: Design A holds $10$ books; Design B holds $7$ books. Which is stronger?
Tap to reveal answer
Design A is stronger. More books held means stronger design.
Design A is stronger. More books held means stronger design.
← Didn't Know|Knew It →
Identify the weakness: Design A leaks $0$ drops; Design B leaks $3$ drops. Which has the weakness for leaking?
Identify the weakness: Design A leaks $0$ drops; Design B leaks $3$ drops. Which has the weakness for leaking?
Tap to reveal answer
Design B has the weakness (it leaks more). More leaks indicate a weakness in waterproofing.
Design B has the weakness (it leaks more). More leaks indicate a weakness in waterproofing.
← Didn't Know|Knew It →
Which option is better for a goal of “fastest”: Design A takes $12$ s; Design B takes $9$ s?
Which option is better for a goal of “fastest”: Design A takes $12$ s; Design B takes $9$ s?
Tap to reveal answer
Design B. Lower time means faster, meeting the goal better.
Design B. Lower time means faster, meeting the goal better.
← Didn't Know|Knew It →
Which design best meets “lightest”: Design A has mass $15$ g; Design B has mass $18$ g?
Which design best meets “lightest”: Design A has mass $15$ g; Design B has mass $18$ g?
Tap to reveal answer
Design A. Lower mass means lighter weight.
Design A. Lower mass means lighter weight.
← Didn't Know|Knew It →
Which design is more durable if it survives $5$ drops and the other survives $3$ drops?
Which design is more durable if it survives $5$ drops and the other survives $3$ drops?
Tap to reveal answer
The design that survives $5$ drops. More drops survived shows better durability.
The design that survives $5$ drops. More drops survived shows better durability.
← Didn't Know|Knew It →
Which option shows more consistent results: $8, 8, 8$ or $6, 8, 10$ for the same design test?
Which option shows more consistent results: $8, 8, 8$ or $6, 8, 10$ for the same design test?
Tap to reveal answer
$8, 8, 8$. Same values show reliable, consistent performance.
$8, 8, 8$. Same values show reliable, consistent performance.
← Didn't Know|Knew It →
Identify the better evidence: one trial result or three trial results when comparing two designs?
Identify the better evidence: one trial result or three trial results when comparing two designs?
Tap to reveal answer
Three trial results. Multiple trials provide more reliable data than one.
Three trial results. Multiple trials provide more reliable data than one.
← Didn't Know|Knew It →
Which design meets the criterion “at least $10$ cm”: Design A is $9$ cm; Design B is $11$ cm?
Which design meets the criterion “at least $10$ cm”: Design A is $9$ cm; Design B is $11$ cm?
Tap to reveal answer
Design B. Only B exceeds the minimum $10$ cm requirement.
Design B. Only B exceeds the minimum $10$ cm requirement.
← Didn't Know|Knew It →
Which design meets the limit “no more than $2$ leaks”: A leaks $2$; B leaks $4$?
Which design meets the limit “no more than $2$ leaks”: A leaks $2$; B leaks $4$?
Tap to reveal answer
Design A. A stays within the $2$ leak maximum limit.
Design A. A stays within the $2$ leak maximum limit.
← Didn't Know|Knew It →
Identify the strength: A carries $12$ blocks but uses $2$ sheets; B carries $12$ blocks but uses $4$ sheets. Which is stronger for saving materials?
Identify the strength: A carries $12$ blocks but uses $2$ sheets; B carries $12$ blocks but uses $4$ sheets. Which is stronger for saving materials?
Tap to reveal answer
Design A. Same performance with less material is more efficient.
Design A. Same performance with less material is more efficient.
← Didn't Know|Knew It →