Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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

This fun outdoor game will help your child develop her addition and subtraction skills and teach her basic arithmetic while keeping her active.

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

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Here's a simple math activity that has your child using her basic addition facts to solve a secret code.

Do you think heat can affect a plant's growth rate?

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

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

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.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

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

Your child can count out six pumpkins or six crayons, but what is a six all by itself? ThatÃs a much harder concept to grasp.

There's nothing like a treasure hunt to get kids excited about math and sorting.

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

Work on division with remainders in this fun fourth grade math board game.

This caterpillar math game gets your child to work on addition and subtraction. Challenge your child's math prowess with this fast-paced caterpillar math game.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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!

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.

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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.

Help your child sharpen time skills by creating a special day and charting each part in a detailed schedule.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.