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

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

Probability can be a tough concept to master. Try playing this fun card game in order to help your third grader understand it a little better.

What's your problem? I'll show you my math if you show me yours! Critical thinking and computation skills are the focus of this strategic math card game.

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

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

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.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

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

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

Make math fun and easy with this activity that challenges your child to use their addition and multiplication skills to win a race!

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

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

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

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

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

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

Your child will be cheering for 8s and 9s as she tries to create a larger number than her competitors. Whoever ends up with the largest number wins!

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.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

Practice multiplication facts and geography at the same time in this fun third grade math card game.

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