Classify variables
Free printable Grade 6 science worksheet for "Classify variables" — practice science practices. No-prep, print or assign online.
Middle school students sharpen their scientific reasoning by classifying variables — independent, dependent, and controlled — in this hard-level Science Practices worksheet. Teachers can use it to prepare students for designing experiments or to assess whether learners can reliably distinguish variable types across different investigation scenarios. It belongs in a Scientific and Engineering Practices unit and works well alongside experimental design instruction.
Learning objectives
- Classify variables as independent, dependent, or controlled in given scenarios
- Explain the role each variable type plays in a fair scientific investigation
- Apply variable classification to evaluate the soundness of an experimental design
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Classify variables” worksheet free?
Yes. “Classify variables” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Science practices.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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