Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Give your budding young observers a chance to discover simple machines at use in their own home.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

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.

This science fair project teaches students the differences between fruits and vegetables.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.