Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

In this experiment we will be determining whether birds prefer certain colors of seed.

Examine the effect of pressure on carbonation in soda.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This basketball project explores the best way to make the perfect shot every time.

This science fair project investigates why the number of visible stars changes from place to place.

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.

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.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Test whether plants can grow without sunlight and water.

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 does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.