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In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Popcorn Pumice: Exploring Different Rock Densities

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Mental Mix Up: Experimenting with Your Ability to Focus

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?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Why Does Honey Crystallize?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Capillary Action Experiment

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Floating Balloons

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Plastic Wrap Science Fair Project: Polymer Permeability

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Design a Floating Cork Boat

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

All About Air Pressure

Using an empty tennis ball can and a swimming pool, you will determine if it&#39;s possible to have a conversation under water.

Speaking Under Water

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Coniferous Forest Plant Adaptations

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?

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

How to use Colored Filters to Send Secret Messages

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Barometric Pressure

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

A Thunderous Sound

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Crystal Wonderland

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Star Clock

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Rust Chemistry: How Does Rust Form?

Marshmallows are made of sugar, water, and air pockets.  Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Sizing Up Marshmallows

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?

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Everyday Darwin: Create a Nature Journal

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Factors Affecting Seed Germination

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What Is the Best Way to Wash Your Hands?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Pruning Tomato Plants

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

What Causes Dilated Pupils?

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Spider Science: Exploring the World of Webs

How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How Does Frost Form?

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

How Does Smell Affect Taste?

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.

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