Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Create a counting book, in order from 1-30, to help your child figure out a variety of ways of recognizing and representing numbers.

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!

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

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.

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.

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.

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

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

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

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

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?

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

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

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!

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.

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.

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

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

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

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.

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.