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

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.

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

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.

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.

This project explores whether music affects the growth and health of plants.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Help your little builder move up in the world with this recycled cardboard castle that's just the right size for a young king and his loyal stuffed subjects.

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.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

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!

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

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.

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.

This project examines the concentration of dissolved oxygen in water, with and without oil.