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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

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

This simple experiment serves as an introduction to the greenhouse effect.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

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

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

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.