Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

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

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea determines what household items are good conductors of electricity.

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.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.