The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea examines liquids of different densities.

This science fair project teaches students the differences between fruits and vegetables.

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

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

This science fair project idea demonstrates that plants give off water.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea produces varying pitches of sound.

This science fair project idea explores which fruit molds the fastest.

This science fair project idea examines the reason boats are shaped and engineered.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea deals with the qualities of shade on a sunny day.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea explores the different properties of matter.

This science fair project idea identifies trees using a dichotomous key.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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 free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.