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…
MATERIAL COLLECTION
Paper
Everyday materials, clear steps, and big questions. Find a hands-on project that fits your curiosity.
Everyday materials Clear explanations Room to wonder
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…
Plants & Living Things
Investigating Plant Growth: What to Do When Your Results Disagree with Your Hypothesis
Learn how to run a simple seed‑growth experiment, record results, and explain why the data may not support your original prediction. The guide shows…
Engineering
Cardboard Bridge Engineering Challenge
Build and test a cardboard bridge that can hold as much weight as possible, learning about forces, load distribution, and engineering design.
Plants & Living Things
How Does Plant Spacing Affect Radish Growth? An Easy Home Experiment
Explore how the distance between radish seedlings changes their size and speed of growth. This beginner‑level experiment uses cardboard trays, radish seeds, and water…
Physics
How Does Paper Helicopter Rotor Length Affect Fall Time?
This experiment lets children discover how changing the rotor blades of a paper helicopter changes the time it takes to fall, linking blade size…
Plants & Living Things
Do Different Seeds Germinate at the Same Rate? – A Simple Experiment
Explore whether beans, peas, and corn sprout at the same speed. This beginner‑level experiment lets kids compare germination times, record data, and learn why…