Free Printable WorksheetScienceGrade 7Science CurriculumSCI.7.70

7.70 Analyzing Test Data to Improve Solutions Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 7 Science worksheet provides structured practice on 7.70 Analyzing Test Data to Improve Solutions. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Analyzing Test Data to Improve Solutions - Which interpretation of test data best informs a specific design improvement? (NGSS MS‑ETS1‑3)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 7

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 7.70 Analyzing Test Data to Improve Solutions skill assessments:

Problem 1Difficulty: Mastery

Students tested three designs for a hand grip for a lab tool. They measured grip strength needed to keep the tool from slipping (N, lower is better) for 5 students. Results (average N, and range between students): - Grip A (smooth plastic): average 38 N, range 20 N - Grip B (rubber sleeve): average 24 N, range 12 N - Grip C (rubber sleeve + finger grooves): average 22 N, range 25 N Goal: low average force and works well for many different hand sizes (smaller range).

Which interpretation best informs the best design improvement?

ANo conclusion can be made because different students have different hands.

BGrip B is the best base because it greatly lowers the average force and also has the smallest range, so the improvement should keep the rubber sleeve and adjust thickness for comfort.

CGrip C is best because it has the lowest average, so a large range does not matter.

DGrip A is best because it has no grooves, so it must fit everyone.

Solution & Explanation:A good design should work for many users, so consistency (small range) matters along with low force. Grip B has a much lower average than A and the smallest range, showing it helps most students. Grip C has a wide range, meaning it may not fit many hand sizes.

Problem 2Difficulty: Mastery

A team tested three designs for a spill tray under a classroom 3D printer.,,Science Criteria: catch leaking material and allow easy removal for cleaning.,,Science They measured percent of leaks caught and removal time.,,Science Results:,,Science - Tray A: caught 98%, removal time 85 s,Science - Tray B: caught 86%, removal time 30 s,Science - Tray C: caught 92%, removal time 45 s,Science Minimum requirements: catch at least 90% and removal time 60 s or less.,,Science

,,Science "Which interpretation best supports the best design improvement choice?,A. All trays meet the requirements because they catch most leaks. | B. Tray A is best because it catches the most

Aso removal time does not matter.

BTray B is best because it is easiest to remove

Solution & Explanation:so the improved tray should build on C and try to increase catch percent without making removal time longer than 60 s.,D,Tray A fails the time limit. Tray B fails the catch requirement. Tray C meets both

Problem 3Difficulty: Mastery

Students tested three designs for a community garden sign that must be readable and long-lasting. They measured readability distance (m) and fading after 2 weeks in sun (0 = none, 5 = severe). Results: - Sign A: readable 18 m, fading 4 - Sign B: readable 14 m, fading 1 - Sign C: readable 16 m, fading 2 Requirements: readable at least 15 m and fading 2 or less.

Which interpretation best supports the best improvement direction?

ASign A is best because it is readable farthest, so fading does not matter.

BSign B is best because it fades least, so readability does not matter.

CNo design can be improved because sun fading cannot be tested.

DSign C is the only design meeting both requirements, so improvements should build on Sign C and try to increase readability without increasing fading.

Solution & Explanation:Sign A fails fading requirement. Sign B fails readability requirement. Sign C meets both, so it is the correct base for improvement.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 7 Science students. It aligns with educational standard SCI.7.70 (Grade 7 science practice focused on analyzing test data to improve solutions.).