Identify variables
Free printable Grade 4 science worksheet for "Identify variables" — practice science practices. No-prep, print or assign online.
This Grade 4 science worksheet guides students in identifying the independent, dependent, and controlled variables in scientific investigations, a foundational skill for designing and interpreting experiments. Teachers can use it as an introduction to experimental design or as practice before students conduct their own science fair projects. Understanding variables is essential across all science strands and supports rigorous, evidence-based thinking.
Learning objectives
- Define and distinguish between independent, dependent, and controlled variables
- Identify variables in a described scientific investigation
- Apply variable identification to plan a fair test
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 Grade 4; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify variables” worksheet free?
Yes. “Identify 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 Grade 4 (ages 9–10), 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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