
Identify data reliability
Free printable Grade 5 science worksheet for "Identify data reliability" — practice science practices. No-prep, print or assign online.
Fifth grade students examine the concept of data reliability in this science practices worksheet, learning to evaluate whether data collected in an investigation can be trusted and why repeated trials matter. Teachers can use it to deepen students' understanding of what makes scientific evidence valid before they design their own experiments. The ability to judge data reliability is a cornerstone of scientific literacy and critical thinking across all science topics.
Learning objectives
- Identify the features of an investigation that affect whether its data are reliable
- Explain why repeated trials and controlled variables improve data reliability
- Evaluate a described investigation to judge whether its results can be trusted
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 5; 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 data reliability” worksheet free?
Yes. “Identify data reliability” 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 5 (ages 10–11), 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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