Free Printable WorksheetScienceGrade 3Science CurriculumPS.3.19

3.19 Plan a Fair Test with One Variable Worksheet

Download our free printable Grade 3 Science worksheet on 3.19 Plan a Fair Test with One Variable. Ideal for classroom practice, homeschool learning, independent homework, and standardized test preparation. Available in both print-ready PDF and editable DOCX formats.

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 3 Science worksheet provides structured practice on 3.19 Plan a Fair Test with One Variable. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Plan a Fair Test with One Variable - Choose an investigation plan that changes one factor at a time and keeps other variables the same to test magnets or motion. (3-5-ETS1-3; SEP: Planning and Carrying Out Investigations)

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 3

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 3.19 Plan a Fair Test with One Variable skill assessments:

Problem 1Difficulty: Mastery

Sofia reviews a circle investigation note at the weather station.In a fair test about which shoe sole grips best, what should students keep the same?

AChange the sole material and all the controls each time.

BUse a different measuring method in every trial.

CStop measuring after the first trial only.

DUse the same floor and same push test.

Solution & Explanation:Controls are the parts of a test that stay the same so the results are fair.

Problem 2Difficulty: Mastery

During a Grade 3 science activity at the library makerspace, Mateo uses a red data card.In a fair test about which material keeps water warm longer, what should students keep the same?

AChange the wrapping material and all the controls each time.

BUse a different measuring method in every trial.

CUse cups with the same starting temperature and water amount.

DStop measuring after the first trial only.

Solution & Explanation:Controls are the parts of a test that stay the same so the results are fair.

Problem 3Difficulty: Mastery

Nora's group at the schoolyard records observations on a river chart.In a fair test about whether more fan speed moves a cup farther, what should students keep the same?

AChange the fan speed and all the controls each time.

BUse the same cup, same starting line, and same floor.

CUse a different measuring method in every trial.

DStop measuring after the first trial only.

Solution & Explanation:Controls are the parts of a test that stay the same so the results are fair.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

QHow do I download and print this 3.19 Plan a Fair Test with One Variable worksheet?

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QIs this 3.19 Plan a Fair Test with One Variable worksheet free for teachers and homeschoolers?

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QCan students practice 3.19 Plan a Fair Test with One Variable online with instant feedback?

Yes! In addition to this printable worksheet, students can practice 3.19 Plan a Fair Test with One Variable interactively on our platform with automated grading, instant score tracking, and detailed step-by-step solutions.

QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 3 Science students. It aligns with educational standard PS.3.19 (Grade 3 science skill focused on Plan a Fair Test with One Variable.).