This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

Work on simple addition and finding even numbers in this second-grade math card game.

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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!

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Practice multiplication facts by playing baseball in this fun, third grade math board game.

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

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

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

Turn learning fractions into a pizza party in this fun second grade math game.

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

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

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

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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

Playing a tactile game with multiplication will help your child get a better grasp of basic math concepts and transform your kid into a master multiplier.

Here's a super fun game to get in some place value practice with your child!

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Create addition problems using critical thinking skills in this fun second grade math card game.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

Learn about coins and their value by making an animal piggy bank. Here's how to make a lion, pig, or sheep bank!