Percent Increase and Decrease Quiz
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Pi-Day Catapult — Optimize Angle & Tension (Predict vs. Measure) | MS–HS NGSS
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
3rd - 12th
Engineering, General Science, Physics
Snowball Launcher — Projectile Motion STEM Challenge (Grades 3–12, NGSS Aligned)
Title: Snowball Launcher — Projectile Motion STEM Challenge (Grades 3–12, NGSS Aligned)Description (emoji-friendly): Launch into winter physics! ❄️ Students test a paper-ball or pom-pom “snowball” launcher to explore projectile motion. Teams hold pullback constant and vary launch angle, measuring distance vs. angle to discover the peak near 45°. They graph data, justify conclusions with CER, and (optionally) estimate launch speed using the range formula. 🎯📈 NGSS Alignment: 3–5: 3-5-ET
3rd - 12th
General Science, Measurement, Physics
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