What to expect
Everything here uses household or inexpensive materials and can usually be finished in a single session. Good for a first fair project, a rainy afternoon or a classroom period.
Easy science experiments
Easy projects from the community library, rated by how much setup, measurement and skill they need rather than by how impressive they look.
157 published projects in this collection
How difficulty is decided
Difficulty comes from the project's own record — the number and complexity of steps, the tools required and the skill level the creator set — not from a subjective label, so it stays comparable across subjects.
Projects to try
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Preparing for a fair? Read the science fair guide or record your data in the lab.
Questions, answered
How is a project's difficulty decided?
From the project's own record — the number and complexity of its steps, the tools it needs and the skill level its creator set — not from a subjective label, so it stays comparable across subjects.
What does each project include?
A research question and hypothesis, the independent and dependent variables, the variables to hold constant, a full materials list with costs, numbered steps, safety guidance and a data table you can fill in as you test.
How much do these projects cost, and how long do they take?
It varies, so every project page states a cost estimate and a realistic time estimate up front. You can rule a project in or out before buying anything.
Do these projects need adult supervision?
Some do. Every project lists its hazards and whether adult supervision is required in an at-a-glance panel on its page, so you can check suitability before you start.