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!

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

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

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

This decimal game is a great way to help your child get familiar with how decimal values work.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

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

This first grade addition math game helps your child use critical thinking skills while practicing his computation.

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

Make practicing addition facts more fun and teach your child the helpful strategy of adding quickly to 10 in this fun and easy-to-make card game!

Invite your second grader to help you measure and mix these fresh, cool concoctions!

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

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.

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

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

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!

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Use the holiday gift giving season as an excuse to give your fourth grader a valuable lesson in making and keeping a budget!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.