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Preview of Paper Helicopters: Rotor Length vs Fall Time — Data Tables + Scatter Plot | 3–12

Paper Helicopters: Rotor Length vs Fall Time — Data Tables + Scatter Plot | 3–12

Created by
Allison Smith
🚁 Forces & Motion meets Data Literacy. Learners design three rotor lengths (L1–L3), collect 3 trials each from a fixed drop height, compute averages, and graph Rotor Length vs Time on a scatter plot. Middle/high school extensions add best-fit analysis and force/drag reasoning. What’s Included Student Pack p.1: Background, IV/DV/controls, criteria, sketch box with dimension callouts Student Pack p.2: Three data tables (L1–L3), large scatter-plot grid, best-fit guidance, CER prompts Teache
Preview of Pi-Day Catapult — Optimize Angle & Tension (Predict vs. Measure) | MS–HS NGSS

Pi-Day Catapult — Optimize Angle & Tension (Predict vs. Measure) | MS–HS NGSS

Created by
Allison Smith
Description (NGSS included) Celebrate Pi-Day with a data-driven projectile challenge! Students tune angle and tension on a simple launcher, then predict vs. measure range and compute percent error. Teams graph Range vs. Angle (and optional Range vs. Pullback) and explain results with CER. 🧠📈 🔬 Investigate: hold one variable constant to fairly test the other. 🧮 Model: use a calibration shot or R ≈ (v²·sin(2θ))/g to predict. 📊 Analyze: compare predicted vs. measured; percent error
Preview of Cranberry Bog Boat — Buoyancy & Density STEM Challenge (Grades 3–12, NGSS Aligne

Cranberry Bog Boat — Buoyancy & Density STEM Challenge (Grades 3–12, NGSS Aligne

Created by
Allison Smith
Make buoyancy click with a seasonal engineering lab: students design a small foil “bog boat” that carries the maximum mass (cranberries/coins/washers) before sinking. They plan, build, test in a water bin, record data, and iterate to optimize stability and displacement—perfect for stations or a full-period lab. What students do Plan & sketch under material/size constraints, predict capacity. Test in rounds, adding equal-mass items until failure; record max mass, freeboard, and failure mode.
Preview of Candy Cane Cantilever — Holiday Structures & Torque STEM Challenge (Grades 3–12,

Candy Cane Cantilever — Holiday Structures & Torque STEM Challenge (Grades 3–12,

Created by
Allison Smith
Engineer a festive cantilever that reaches the farthest overhang beyond the table edge—using only candy canes and limited tape! Students plan, build, test, and iterate while applying torque and center of mass ideas. Perfect for a high-engagement holiday lab, stations, or a one-period challenge. 🍬🧰 What students do 🧠 Plan & sketch: identify anchor vs. arm, place joints/tape, predict max overhang. 🧪 Test & measure: record trials, overhang (cm), stability (10 s), failure modes. 📈 Analyze
Preview of Candy Corn Parachute Drop — Holiday STEM Challenge (Grades 3–12, NGSS Aligned)

Candy Corn Parachute Drop — Holiday STEM Challenge (Grades 3–12, NGSS Aligned)

Created by
Allison Smith
Description Boost engagement with a seasonal engineering challenge that’s easy to prep, budget-friendly, and truly data-driven. In the Candy Corn Parachute Drop, students design, build, and test a parachute that carries a candy-corn payload. They compete for the longest average fall time while meeting real-world constraints, then analyze results and iterate like engineers. What students do Plan a design under material and size limits, predict performance, and sketch. Build a canopy + lines +
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