Posts by thebackyardscientist

Build a Human Heartbeat Monitor DIY with balloon and tubing—simple, educational, and accurate heart rate detection.

Build a DIY Magnetometer: step‑by‑step guide to assemble, calibrate, and use a low‑cost magnetic field sensor.

Creating a bubble snake using socks and bottles is a surprisingly simple yet captivating science experiment that turns ordinary household items into a mesmerizing display of moving foam. In less…

Build a homemade thermos: step‑by‑step guide to heat retention, insulation tips, and DIY science experiments.

Explore how liquids layer based on density, the science behind stratification, experiments, and real‑world applications.

Learn how to create a vibrant DIY Rainbow Jar with step‑by‑step instructions, tips, and science behind layered colors.

Create Mini Windmills guide: step‑by‑step build, testing, and data analysis for classroom STEM projects.

Building a functional catapult using everyday craft supplies is a fantastic way to combine creativity with basic engineering principles. When you build catapults with popsicle sticks, you’re not just making…

Unlock the secrets of sound waves! Discover how glass and water interact – a fascinating scientific exploration.

Create a water cycle model! Explore Earth’s systems with this fun & educational DIY project. Learn about evaporation, condensation, and precipitation. #watercycle