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Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Microwaving Liquids: Dielectric Heating

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

How do Sedimentary Layers Form?

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

What Animals are Most Popular? A Data Analysis Project

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Creatures That Bug Us

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Does Ultraviolet (UV) Light Pass through Some Colors More than Others?

This science fair project creates a visual model of what&acirc;s happening to sound waves as a car approaches and then leaves.

How to Create a Visual Doppler

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The Ghost in the Tube

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Making Fake Snot!

Have your child kick off their summer vacation by making a miniature water slide!

Design Challenge: Making a Water Slide

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

Design Challenge: Making a Solar Oven

Discover whether a metal will expand under hot water.

Does Water Temperature Cause Metal to Expand and Contract? 

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Positive and Negative Geotropism

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Edge Effect

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Do Butterflies Prefer Sugar Water, Salt Water, or Plain Water?

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Text on Screen vs. Type on Paper: Which is Easier to Remember?

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Eureka! Volume and the Displacement of Water

Take a dive into the candy jar with this yummy science experiment.

Candy pH

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Where Did the Ladybug Get Her Spots?

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Compost Ingredients

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Simple Machines

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

When Seeds Explode

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Cats & Dogs

This science fair project investigates why the number of visible stars changes from place to place.

Stars In The Sky

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Principles of Air Pressure

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Flat Earth? Not Really!

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Exploring the Movement of Tectonic Plates with S'Mores

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