Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This hands-on activity that involves arranging pieces of yarn will teach your pre-K child the concept of ordering items by length in an interesting way.

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

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

Create clear sound shakers so your preschooler can observe and compare the different sounds that objects make!

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Here's a tasty way to give your child some counting practice.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

Disguise a lesson focused on shape recognition as a Santa collage, and your pre-kindergartener won't even realize she's learning!

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 project compares different liquids and the freezing, melting and boiling points of liquids.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

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

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

Money is a difficult concept to grasp. Help your kid get the hang of it with this pocket change triple Venn diagram activity.

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

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

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

Your preschooler will not realize she's practicing her counting skills while playing with this interactive cereal abacus!