With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

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.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Use a dichotomous key to identify plants or animals.

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

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This science fair project idea investigates the relationship between memory and age.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

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