This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project idea explores whether talking to a plant will help it grow.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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.

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

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea determines if the color of light affects the growth of plants.

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

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

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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