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

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Test whether plants can grow without sunlight and water.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Discover whether a metal will expand under hot water.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

This science fair project idea investigates how magnetism can defy the force of gravity.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Find out whether putting something on top of a plant will inhibit its growth.