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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Check out this cool science fair project on identifying rocks and minerals for kids.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This science experiment tests if dog saliva can really help heal wounds.

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project idea determines what household items are good conductors of electricity.