Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea identifies clouds as a means of predicting the weather.

When you're studying the Mayflower, numbers can be an important part of the history...and a great chance to practice elementary math!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

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

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.

For a fun activity that takes the dull out of decimals, show you child how to gain a better understanding of decimals...as dollar amounts!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

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.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

Try a new approach to working with variables and equations by playing this tic-tac-toe game with your math student.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

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

Okay, engaging in a graphing activity may sound ho-hum, but if you use fun data, it changes the picture entirely.