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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

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.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This little chick is so cute that your child will want to make a whole flock to call her own.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

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.

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

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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