Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Determine which metal has the highest rate of conductivity.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

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.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

This project examines the concentration of dissolved oxygen in water, with and without oil.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Can cells be frozen? This science fair project provides information to answer this question.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!