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

This science fair project idea identifies clouds as a means of predicting the weather.

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

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

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's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea determines the most effective method of preserving food.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Could there be toxic chemicals lurking in the cupboards and closets of your home?