8.4 Variables, Controls and Experimental Groups Worksheet
Download our free printable Grade 8 Science worksheet on 8.4 Variables, Controls and Experimental Groups. Ideal for classroom practice, homeschool learning, independent homework, and standardized test preparation. Available in both print-ready PDF and editable DOCX formats.
Choose your preferred download format:
100% Free • No registration or login required • Instant file access
Worksheet Overview & Skills Covered
Core academic competencies and curriculum alignment
This Grade 8 Science worksheet provides structured practice on 8.4 Variables, Controls and Experimental Groups. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.
Variables, Controls and Experimental Groups - Which option best distinguishes independent, dependent, and controlled variables; identify or design proper control and experimental groups for a valid investigation? (SEP: Asking Questions/Defining Problems; Planning and Carrying Out Investigations; Developing and Using Models; Analyzing and Interpreting Data; Using Mathematics and Computational Thinking; Constructing Explanations/Designing Solutions; Engaging in Argument from Evidence; Obtaining/Evaluating/Communicating Information; CCSS RST.6–8.1–10; WHST.6–8.1–8; TEKS §112.28 Grade 8; FL NGSSS; VA SOL; MA STE)
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 8
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 8.4 Variables, Controls and Experimental Groups skill assessments:
A student sets up an investigation on rusting. She tests nails in plain water, salt water, and vinegar. She wants a single control group.
A student tests whether a new glue works better than an old glue. She glues wood in the new-glue group and plastic in the old-glue group. "
A student investigates whether a sound treatment affects plant growth. She plays sound for 30 minutes daily. She also fertilizes only the sound-treated plants because “they need extra nutrients.”
Want more practice questions with step-by-step guidance?
Practice All Questions OnlineFrequently Asked Questions
Common questions about printing, using, and solving this worksheet
QHow do I download and print this 8.4 Variables, Controls and Experimental Groups worksheet?
Click either the "Download PDF" or "Download DOCX" button at the top of the page. You can print the PDF directly from your browser or edit the DOCX file in Microsoft Word or Google Docs to tailor the questions to your students.
QIs this 8.4 Variables, Controls and Experimental Groups worksheet free for teachers and homeschoolers?
Yes! All learning materials, worksheets, and practice resources on Free K12 Practice are 100% free for teachers, students, parents, tutors, and homeschooling families for non-commercial educational use. No account or subscription is required.
QCan students practice 8.4 Variables, Controls and Experimental Groups online with instant feedback?
Yes! In addition to this printable worksheet, students can practice 8.4 Variables, Controls and Experimental Groups 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 8 Science students. It aligns with educational standard SCI.8.04 (Identify independent and dependent variables, controls, and fair experimental comparisons.).
Related Grade 8 Science Resources
Continue learning with complementary skill worksheets and online practice