Home Free Printables 7th Grade Science — Scientific Argument — Variables in Experiments Preview — download the full PDF for print-quality output
Science 7th Grade Ages 12–13
7th Grade Science — Scientific Argument — Variables in Experiments Free printable variables in experiments science worksheet. Variables in experiments include the independent variable (what you change), dependent variable (what you measure), and controlled variables (what you keep the same). Part of the Scientific Argument lesson track. For 7th Grade Science (ages 12–13).
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Diagram — Variables in Experiments Complete this lab report for your investigation. 🔬 Diagram — Variables in Experiments Purpose / Research Question: What are variables and how do they store data? Materials: computer, code editor, practice exercises Hypothesis (If... then... because...): If I create a variable, then I can store and reuse data... Independent Variable: Variable name and value assigned Dependent Variable: What the program outputs using the variable Procedure: 1. Learn what a variable is 2. Create a variable and assign a value 3. Use the variable in your program 4. Change the value and observe 5. Try different data types Data / Results: Variable Name Value Data Type score 0 number name Conclusion: Variables are useful because... 7th Grade — Page 1 www.littleactivity.com
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Diagram — Variables in Experiments Complete this lab report for your investigation. 🔬 Diagram — Variables in Experiments Purpose / Research Question: What are variables and how do they store data? Materials: computer, code editor, practice exercises Hypothesis (If... then... because...): If I create a variable, then I can store and reuse data... Independent Variable: Variable name and value assigned Dependent Variable: What the program outputs using the variable Procedure: 1. Learn what a variable is 2. Create a variable and assign a value 3. Use the variable in your program 4. Change the value and observe 5. Try different data types Data / Results: Variable Name Value Data Type score 0 number name Conclusion: Variables are useful because... 7th Grade — Page 1 www.littleactivity.com
Sound Vibration Experiment Complete this lab report for your investigation. 🔬 Sound Vibration Experiment Purpose / Research Question: What question are you investigating? Materials: List all materials you need for this experiment Hypothesis (If... then... because...): If I change ___, then ___ will happen because... Independent Variable: What I am changing Dependent Variable: What I am measuring Procedure: 1. Set up experiment 2. Collect data 3. Record observations 4. Analyze results 5. Draw conclusion Data / Results: Trial Variable Result 1 (example) (record here) 2 3 Conclusion: Based on my data, I found that... 1st Grade — Page 1 www.littleactivity.com
Diagram — Light Spectrum Label the diagram. Use the word bank below. 🏷️ Light Spectrum [Diagram] Word Bank: red orange yellow green blue violet Notes: 1st Grade — Page 1 www.littleactivity.com
Shadow Experiment Record Complete this lab report for your investigation. 🔬 Shadow Experiment Record Purpose / Research Question: What question are you investigating? Materials: List all materials you need for this experiment Hypothesis (If... then... because...): If I change ___, then ___ will happen because... Independent Variable: What I am changing Dependent Variable: What I am measuring Procedure: 1. Set up experiment 2. Collect data 3. Record observations 4. Analyze results 5. Draw conclusion Data / Results: Trial Variable Result 1 (example) (record here) 2 3 Conclusion: Based on my data, I found that... 1st Grade — Page 1 www.littleactivity.com
Lab Report — Pitch Complete this lab report for your investigation. 🔬 Lab Report — Pitch Purpose / Research Question: How do I write a clear and organized report? Materials: computer, research notes, outline template Hypothesis (If... then... because...): If I follow a report structure, then my writing will be organized... Independent Variable: Report structure and organization Dependent Variable: Clarity and completeness of the final report Procedure: 1. Choose your topic and gather notes 2. Write an outline with main sections 3. Draft introduction and body paragraphs 4. Add evidence from your research 5. Write conclusion and proofread Data / Results: Section Key Points Sources Used Introduction Hook + thesis None Body 1 Conclusion Conclusion: Writing a report taught me... 1st Grade — Page 1 www.littleactivity.com
Lab Report — Volume Complete this lab report for your investigation. 🔬 Lab Report — Volume Purpose / Research Question: How do I write a clear and organized report? Materials: computer, research notes, outline template Hypothesis (If... then... because...): If I follow a report structure, then my writing will be organized... Independent Variable: Report structure and organization Dependent Variable: Clarity and completeness of the final report Procedure: 1. Choose your topic and gather notes 2. Write an outline with main sections 3. Draft introduction and body paragraphs 4. Add evidence from your research 5. Write conclusion and proofread Data / Results: Section Key Points Sources Used Introduction Hook + thesis None Body 1 Conclusion Conclusion: Writing a report taught me... 1st Grade — Page 1 www.littleactivity.com
Lab Report — How Does Sound Travel? Complete this lab report for your investigation. 🔬 Lab Report — How Does Sound Travel? Purpose / Research Question: How do I write a clear and organized report? Materials: computer, research notes, outline template Hypothesis (If... then... because...): If I follow a report structure, then my writing will be organized... Independent Variable: Report structure and organization Dependent Variable: Clarity and completeness of the final report Procedure: 1. Choose your topic and gather notes 2. Write an outline with main sections 3. Draft introduction and body paragraphs 4. Add evidence from your research 5. Write conclusion and proofread Data / Results: Section Key Points Sources Used Introduction Hook + thesis None Body 1 Conclusion Conclusion: Writing a report taught me... 1st Grade — Page 1 www.littleactivity.com
