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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this project students experiment with making music using only glasses of water.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project idea explores substances that cause a bubble to last longer.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Find out whether matte or shiny nail polish lasts longer.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea determines the probability of a coin landing heads or tails.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Plants and light seem to be good buddies, but how far does the friendship really go?

Find out whether packaged seeds actually do expire in this new science fair project idea.