Lab Report — Friction — Set CComplete this lab report for your investigation.🔬 Lab Report — Friction — S…Purpose / Research Question:How does surface texture affect friction?Materials:wooden block, sandpaper, smooth surface, ruler, spring scaleHypothesis (If... then... because...):If I slide a block on a rough surface, then...Independent Variable:Surface texture (smooth, rough, s…Dependent Variable:Force needed to move the block (N)Procedure:1. Attach spring scale to block2. Pull block across smooth surface3. Record the force reading4. Repeat on rough surface & sandpaper5. Compare results in data tableData / Results:SurfaceForce (N)ObservationSmooth0.5 NEasy to pullRoughSandpaperConclusion:The surface with the most friction was...8th Grade — Page 1www.littleactivity.com

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Science8th GradeAges 1314

Grade 8 Forces & Motion — Newton's Laws — Lab Report — Friction — Set C

Free printable page from Grade 8 Forces & Motion — Newton's Laws. Lab Report — Friction — Set C. 110 pages — forces and motion; Newton's laws qualitatively; calculating speed and acceleration; balanced vs unbalanced forces; simple machines and mechanical advantage; labs (cart-on-track, spring scales). Aligned with NGSS MS-PS2.

Skills Covered

ScienceObservationCritical Thinking
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