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Classify controlled investigations
Free printable Grade 5 science worksheet for "Classify controlled investigations" — practice science practices. No-prep, print or assign online.
Grade 5 students apply scientific thinking by learning to classify whether investigations are controlled — that is, whether all variables except one are held constant. Teachers can use this science practices worksheet as a pre-lab discussion tool or as a formative check during a unit on experimental design. Understanding controlled investigations helps students evaluate the validity of conclusions drawn from experiments.
Learning objectives
- Explain what makes an investigation controlled and why this matters
- Classify given investigations as controlled or not based on their design features
- Identify which variables are held constant and which is changed in a controlled study
Answer Key

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- Use the included answer key to mark it in seconds.
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