Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This project explores ways to prevent static electrical shocks.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Examine the effect of pressure on carbonation in soda.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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.