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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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.

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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.

Calling all power-shoppers! This game is a fun way for kids to learn life skills, and flex their math muscles at the same time.

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

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Practice conversions within the metric system in this fun math card game for third graders.

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

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

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Tackle both boredom and mathematics with this inventive arts and craft project!

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

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

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

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

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

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

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

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 educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.