Physics
Constructing a Cardboard Water Wheel to Measure Flow Power
Build a simple cardboard water wheel, run water over it, and measure how fast it spins to explore the power…
A WORLD OF WONDER, RIGHT AT HOME
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Engineering
Engineering Challenge: Testing How Cardboard Thickness Affects a Boat’s Load Capacity
Build simple cardboard boats of different wall thicknesses, test how much weight they can carry, and learn why thicker cardboard…
Earth & Weather
Do Newspaper Mulch and Cardboard Mulch Differ in Reducing Soil Water Loss? An Experiment
{ “title”: “Do Newspaper Mulch and Cardboard Mulch Differ in Reducing Soil Water Loss? An Experiment”, **”slug”: “newspaper-vs-cardboard-mulch-experiment”, “excerpt”: “This…
Physics
Does Ramp Height Change How Far a Toy Car Travels? – An Easy Experiment
Explore how the height of a ramp influences the distance a toy car rolls. This beginner‑level experiment lets children measure,…
Plants & Living Things
Does Mulch Reduce Water Loss from Soil? – A Simple Experiment for Kids
This hands‑on experiment lets children compare soil moisture under mulched and un‑mulched containers, showing how mulch can cut evaporative water…
Earth & Weather
How Does Slope Affect Water Runoff? A Simple Home Experiment
Steeper slopes cause rain to run off faster and in larger amounts. By building tilted trays and measuring the water…
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Start with what
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A sheet of paper. A glass of water.
A whole world of possibilities.
SO MANY WAYS TO WONDER
Follow their curiosity.
From tiny seeds to faraway planets, there’s a discovery for every interest.
PhysicsMotion, light & the way things work23 projects
Chemistry & materialsMix things up. See what changes.8 projects
Plants & living thingsBig questions about little living things9 projects
Earth & weatherGet to know the world outside5 projects
Space scienceA universe of questions to explore2 projects
EngineeringDream it. Build it. Make it better.7 projects
FROM “WHAT IF?” TO “HERE’S WHAT I FOUND”
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Explore the science fair guideA LITTLE KNOW-HOW GOES A LONG WAY
For the grown-ups behind the “wow.”
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