What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Here's a hands-on activity that first grade use to help kids get a feel for equations. It uses popsicle sticks to practice addition and subtraction!

Here's a hands-on way to help your child understand how common fractions can be equivalent.

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

If your preschooler needs counting practice, try this pared-down game. Kids count clips in each cup and find the playing card to match.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Help your child learn her numbers and how to count with this fun number game!

Determine which metal has the highest rate of conductivity.

This fun, addition focused take on the classic card game War is a great way to help your child get a strong hold on addition.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

When your child is itching for a game, consider ditching Hide and Seek in favor of Shape and Seek. Here's how it works:

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Support your first grader's counting and reading skills while laughing and running in this fun playground game.

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

Here's an innovative math puzzle that you can create with your fourth grade math student.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

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

This unique Santa is made only from circles. Your little one will have a fantastic time puzzling together Santa's face with this circle-centric activity.

Your first grader will love this addition challenge! Roll dice and keep a running total as you try to achieve the highest score.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

These bean bag games are a fun and inexpensive way to keep your child learning! Work on social skills, coordination, math, or even spelling!