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

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

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.

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 is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Challenge your learner to design and build a city of their own in this creative engineering activity.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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

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.

The goal of this project is to create an exciting topographical map out of dough.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates the difference in reaction times between boys and girls.