Home Free Printables 8th Grade Science — Engineering and Design — Variables in Experiments Preview — download the full PDF for print-quality output
Science 8th Grade Ages 13–14
8th Grade Science — Engineering and Design — 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 Engineering and Design lesson track. For 8th Grade Science (ages 13–14).
Skills Covered Free PDF Download · Print Unlimited Copies
Lab Report — Variables in Experiments Complete this lab report for your investigation. 🔬 Lab Report — 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... 8th Grade — Page 1 www.littleactivity.com
📦
Want more Science worksheets? Get full printable packs with 50+ worksheets for 8th Grade — organized by skill level with answer keys included.
Browse Printable Packs
How to Use This Worksheet Step 1
Download PDF Click the download button above. The PDF is generated instantly in your browser — no waiting.
Step 2
Print at Home Print on standard A4 or US Letter paper. Works with any home printer — color or black & white.
Step 3
Learn & Play Give it to your child with crayons, pencils, or markers. Reprint as many times as needed!
More Science Printables Click any worksheet to view and download for free
📦
Love this worksheet? Get the full pack! 50+ science worksheets for 8th Grade — organized by skill level, with answer keys and progress tracking.
AI-powered activity ideas to keep your little ones learning, playing, and growing every day.
© 2026 LittleActivity. All rights reserved.
Built for families who love playtime
Lab Report — Variables in Experiments Complete this lab report for your investigation. 🔬 Lab Report — 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... 8th Grade — Page 1 www.littleactivity.com
Lab Report — Crystal Growing Complete this lab report for your investigation. 🔬 Lab Report — Crystal Growing 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... Kindergarten — Page 1 www.littleactivity.com
Lab Report — Static Electricity Test Complete this lab report for your investigation. 🔬 Lab Report — Static Electricity Test 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... Kindergarten — Page 1 www.littleactivity.com
Observation Log — Solar System Map Label each planet. Color the solar system! Mercury Venus Earth Mars Jupiter Saturn Planet Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Kindergarten — Page 1 www.littleactivity.com
Observation Log — Moon Phases Tracker Label each planet. Color the solar system! Mercury Venus Earth Mars Jupiter Saturn Planet Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Kindergarten — Page 1 www.littleactivity.com
Diagram — The Solar System Label each planet. Color the solar system! Mercury Venus Earth Mars Jupiter Saturn Planet Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Kindergarten — Page 1 www.littleactivity.com
Diagram — Planet Sizes Label each planet. Color the solar system! Mercury Venus Earth Mars Jupiter Saturn Planet Order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune Kindergarten — Page 1 www.littleactivity.com
