Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

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

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The objective of this science project is to determine the length of time for different seeds to germinate.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.