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 tests the hypothesis that dark colors absorb more heat than light colors.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This heart print makes the perfect simple and sweet gift for Valentine's Day!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

With this fun craft activity, your child can design and "make" his own money, for use as currency and math practice at home.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Race to double numbers in this competitive card game. Try one-digit or two-digit numbers, or more!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This fun math card game is a great opportunity to discuss probability with your third grader.

This kinesthetic game will help your child practice rounding and get the adrenaline rushing!

Do you think heat can affect a plant's growth rate?

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

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 this delicious warm apple bread for Hanukkah.

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

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