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What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What is Biodiversity?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Digging in the Dark

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

What Is a Compound Microscope?

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Catalase and Hydrogen Peroxide Experiment

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Factors Affecting Solubility

In this fun activity, your child will create their very own solar oven to bake s&#39;mores!

Design Challenge: Making a Solar Oven

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Examples of Mechanical Weathering

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Ping Pong Ball Anemometer

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

How to Make a Rubber Band Car

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Can You Keep a Secret?

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Inverted Images

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

The Hydrologic Cycle

This science fair project idea examines the reason boats are shaped and engineered.

Keep the Boat Afloat

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Does Age Affect Memory?

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Changing the Period of a Pendulum

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What Causes Dew?

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Rubber Band Heat Engine

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.

Bridge Project

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Work and Energy

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

A Single Movable Pulley and Mechanical Advantage

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How to Make Gears

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Example of Newton's First Law

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Hot Air Balloon Heights

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Complete Circuit: How Does a Flashlight Work?

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

What Is Persistence of Vision?

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Third-Class Levers in the Human Body

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The Rings of Saturn: A Scale Model

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