Free Printable WorksheetScienceGrade 6Science CurriculumENG.6.105

6.105 Plan Fair Tests and Analyze Failure Points Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 6 Science worksheet provides structured practice on 6.105 Plan Fair Tests and Analyze Failure Points. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Plan Fair Tests and Analyze Failure Points - Which procedure best controls variables to investigate plan fair tests and analyze failure points? (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 6

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 6.105 Plan Fair Tests and Analyze Failure Points skill assessments:

Problem 1Difficulty: Mastery

To refine a wearable heart-rate sensor, Vik is planning an experiment. The measurement signal dropout rate has noise, so the test plan must include good controls and replication. Sweat can change contact over time. Which experimental plan would let the team make the strongest claim about signal dropout rate?

AChange only strap tension across versions; hold skin location, motion pattern, sampling rate constant; calibrate the measuring tool for signal dropout rate; randomize trial order and repeat at least 5 times, then compare means.

BAdjust strap tension but also tweak motion pattern whenever results look 'off' so the signal dropout rate improves during testing.

CRun Version 1 earlier and Version 2 later when conditions have changed, then compare the signal dropout rate without repeats.

DMake several changes at once (new strap tension plus new materials and new setup) and judge success by a single 'best' signal dropout rate.

Solution & Explanation:A fair test changes only strap tension. If skin location, motion pattern, sampling rate stay the same and trials are repeated, then differences in signal dropout rate can be linked to strap tension instead of other variables.

Problem 2Difficulty: Mastery

Talia needs to diagnose a repeated performance problem in a solar cooker. A fair test must recreate the problem and isolate the root cause. Clouds can change light level; order of tests matters. Which option is the best next step to isolate the root cause while avoiding confounds?

AChange only insulation seam sealing across versions; hold sun angle, pot mass, starting water temperature constant; calibrate the measuring tool for heat-up time; randomize trial order and repeat at least 5 times, then compare means.

BAdjust insulation seam sealing but also tweak pot mass whenever results look 'off' so the heat-up time improves during testing.

CRun Version 1 earlier and Version 2 later when conditions have changed, then compare the heat-up time without repeats.

DMake several changes at once (new insulation seam sealing plus new materials and new setup) and judge success by a single 'best' heat-up time.

Solution & Explanation:A fair test changes only insulation seam sealing. If sun angle, pot mass, starting water temperature stay the same and trials are repeated, then differences in heat-up time can be linked to insulation seam sealing instead of other variables.

Problem 3Difficulty: Mastery

A team is doing design verification for a robot gripper control. They can adjust grip force setpoint and lift speed. They must control other variables like object surface, grip time, and measurement method. Which test matrix is best for a fair investigation and failure-point analysis?

AAdjust grip force setpoint but also tweak lift speed whenever results look 'off' so the drop rate improves during testing.

BRun Version 1 earlier and Version 2 later when conditions have changed, then compare the drop rate without repeats.

CChange only grip force setpoint across versions; hold object surface, lift speed, grip time constant; calibrate the measuring tool for drop rate; randomize trial order and repeat at least 5 times, then compare means.

DMake several changes at once (new grip force setpoint plus new materials and new setup) and judge success by a single 'best' drop rate.

Solution & Explanation:A fair test changes only grip force setpoint. If object surface, lift speed, grip time stay the same and trials are repeated, then differences in drop rate can be linked to grip force setpoint instead of other variables.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 6 Science students. It aligns with educational standard ENG.6.105 (Grade 6 science practice and review on plan fair tests and analyze failure points.).