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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.

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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this design challenge, your child will make a bottle rocket using typical household items.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

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

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

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 will help students learn about non-vascular plants, such as mosses.