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

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

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

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

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

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.

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.

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

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.

Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

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?

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

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.

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

Try this fun math card game with your third grader to practice division, addition, and problem solving!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

Make this delicious warm apple bread for Hanukkah.

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

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

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

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

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

Play a math logic and critical thinking game using a deck of cards. Use addition, subtraction, multiplication, and division in this fun activity.

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

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