Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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

Here are some ideas for marshmallow math games you can play with your child to help teach him important concepts like estimation, area, and measurement.

Help your child learn the language of mathematics through cupcakes with this fun counting activity.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

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

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Your child will practice her counting and number recognition as she matches printed numbers to the same number of repetitions of a simple design.

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

This simple bookmaking activity will introduce and reinforce alphabet and number recognition skills that have been taught at home or learned in preschool.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

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.

Take the spookiness out of spiders with this web-making activity! Your child will practice talking about and creating shapes in this Halloween craft, and learn about spiders along the way.

This project explores what happens to a rubber band when it is heated and cooled.

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

Practice counting, sequencing, and pattern recognition with your young learner in this fun math card game!

Make a lei and bring a touch of the tropical lifestyle into your home!

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Instead of drilling facts, grab sidewalk chalk and head outside for a rousing game of this Math Run game. Play the Math Run game with your child.

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.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.