Physics
How Does Distance from a Light Source Affect Brightness? An Easy Home Experiment
Explore the inverse‑square law by measuring how a lamp’s brightness drops as you move a light sensor farther away. This hands‑on experiment uses a…
MEET A CURIOUS MIND
Discoveries by Luca Hartmann
Explore this author’s published science guides and ideas.
Everyday materials Clear explanations Room to wonder
Physics
Does Paper Airplane Wing Shape Affect Flight Distance?
A simple experiment lets children compare a wide‑wing “Hunting” design with a narrow‑wing “Basic Dart” to see how wing shape influences how far a…
Engineering
How Does Foil Boat Shape Affect Load Capacity? An Engineering Challenge for Kids
Children design and build boats from aluminum foil, test how different hull shapes hold pennies, and learn why shape matters for buoyancy and stability.…
Physics
Impact Craters in Damp Sand: Does Drop Height Change Crater Width?
A simple experiment lets children drop marbles into damp sand from different heights to see how the drop height influences the width of the…
Plants & Living Things
Observing Leaf Development as a Seedling Grows
Watch a seedling’s first leaves (cotyledons) turn into true leaves, note changes in shape, size, and color, and record the growth steps over several…
Space Science
How to Build a Scale Model of the Solar System
Create a hands‑on, to‑scale model of the solar system using everyday items like balls, beads, and measuring tape. This step‑by‑step guide lets parents, teachers,…
Physics
Which Surface Creates the Most Friction for a Toy Car? An Easy Experiment
Children test a toy car on different everyday surfaces, measuring how far it rolls to discover which material creates the most friction.
Earth & Weather
Keeping a Weather Journal: Comparing Clouds, Rain, and Temperature
A weather journal lets children record temperature, cloud types, and precipitation over days, helping them see how clouds and rain are linked. This guide…
Earth & Weather
How Does Shade Affect Soil Temperature? A Simple Backyard Experiment
Explore how shade changes the temperature of soil by comparing a sunny spot with a shaded one using everyday items like a cardboard shade…