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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

In this science fair project, students make their own rain gauge to measure rainfall.

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.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn all about balance and motion as your child designs a corn maze!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Take a dive into the candy jar with this yummy science experiment.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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.

The purpose of this science fair project is to build a basic radio.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?